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57561106032 = 24332331186877
BaseRepresentation
bin110101100110111010…
…001100011001110000
312111120112101011012000
4311212322030121300
51420341120343112
642235422134000
74105263220443
oct654672143160
9174515334160
1057561106032
112245881aa11
12b1a5121300
1355743a4271
142b009cb65a
15176d5977dc
hexd66e8c670

57561106032 has 160 divisors (see below), whose sum is σ = 177967656960. Its totient is φ = 17760695040.

The previous prime is 57561106027. The next prime is 57561106033. The reversal of 57561106032 is 23060116575.

57561106032 is a `hidden beast` number, since 5 + 7 + 5 + 611 + 0 + 6 + 0 + 32 = 666.

57561106032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57561106033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214578 + ... + 401454.

It is an arithmetic number, because the mean of its divisors is an integer number (1112297856).

Almost surely, 257561106032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57561106032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88983828480).

57561106032 is an abundant number, since it is smaller than the sum of its proper divisors (120406550928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57561106032 is a wasteful number, since it uses less digits than its factorization.

57561106032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186948 (or 186936 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The spelling of 57561106032 in words is "fifty-seven billion, five hundred sixty-one million, one hundred six thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 27 31 36 46 48 54 62 69 72 92 93 108 124 138 144 184 186 207 216 248 276 279 368 372 414 432 496 552 558 621 713 744 828 837 1104 1116 1242 1426 1488 1656 1674 2139 2232 2484 2852 3312 3348 4278 4464 4968 5704 6417 6696 8556 9936 11408 12834 13392 17112 19251 25668 34224 38502 51336 77004 102672 154008 186877 308016 373754 560631 747508 1121262 1495016 1681893 2242524 2990032 3363786 4298171 4485048 5045679 5793187 6727572 8596342 8970096 10091358 11586374 12894513 13455144 17192684 17379561 20182716 23172748 25789026 26910288 34385368 34759122 38683539 40365432 46345496 51578052 52138683 68770736 69518244 77367078 80730864 92690992 103156104 104277366 116050617 133243301 139036488 154734156 156416049 206312208 208554732 232101234 266486602 278072976 309468312 312832098 399729903 417109464 464202468 532973204 618936624 625664196 799459806 834218928 928404936 1065946408 1199189709 1251328392 1598919612 1856809872 2131892816 2398379418 2502656784 3197839224 3597569127 4796758836 6395678448 7195138254 9593517672 14390276508 19187035344 28780553016 57561106032