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1371845568 = 26341229761
BaseRepresentation
bin101000111000100…
…1011001111000000
310112121100222100010
41101301023033000
510302143024233
6344043224520
745665331522
oct12161131700
93477328303
101371845568
11644409975
12323518140
1318b2a1852
14d02a3a12
1580682b63
hex51c4b3c0

1371845568 has 112 divisors (see below), whose sum is σ = 3739347360. Its totient is φ = 443596800.

The previous prime is 1371845561. The next prime is 1371845597. The reversal of 1371845568 is 8655481731.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371845561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1802308 + ... + 1803068.

It is an arithmetic number, because the mean of its divisors is an integer number (33387030).

Almost surely, 21371845568 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 1371845568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1869673680).

1371845568 is an abundant number, since it is smaller than the sum of its proper divisors (2367501792).

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

1371845568 is a wasteful number, since it uses less digits than its factorization.

1371845568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046 (or 1036 counting only the distinct ones).

The product of its digits is 806400, while the sum is 48.

The square root of 1371845568 is about 37038.4336601860. The cubic root of 1371845568 is about 1111.1390433985.

The spelling of 1371845568 in words is "one billion, three hundred seventy-one million, eight hundred forty-five thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 41 48 64 82 96 123 164 192 229 246 328 458 492 656 687 761 916 984 1312 1374 1522 1832 1968 2283 2624 2748 3044 3664 3936 4566 5496 6088 7328 7872 9132 9389 10992 12176 14656 18264 18778 21984 24352 28167 31201 36528 37556 43968 48704 56334 62402 73056 75112 93603 112668 124804 146112 150224 174269 187206 225336 249608 300448 348538 374412 450672 499216 522807 600896 697076 748824 901344 998432 1045614 1394152 1497648 1802688 1996864 2091228 2788304 2995296 4182456 5576608 5990592 7145029 8364912 11153216 14290058 16729824 21435087 28580116 33459648 42870174 57160232 85740348 114320464 171480696 228640928 342961392 457281856 685922784 1371845568