Search a number
-
+
10557396468 = 223545723767
BaseRepresentation
bin10011101010100010…
…10001010111110100
31000020202121022100000
421311101101113310
5133110143141333
64503333351300
7522423250353
oct116521212764
930222538300
1010557396468
114528414253
122067798530
13cc331a478
147221b999a
1541bcb2713
hex2754515f4

10557396468 has 72 divisors (see below), whose sum is σ = 27736875712. Its totient is φ = 3511283904.

The previous prime is 10557396467. The next prime is 10557396539. The reversal of 10557396468 is 86469375501.

10557396468 is a `hidden beast` number, since 1 + 0 + 5 + 573 + 9 + 6 + 4 + 68 = 666.

10557396468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×105573964682 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10557396461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 432321 + ... + 456087.

Almost surely, 210557396468 is an apocalyptic number.

10557396468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10557396468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13868437856).

10557396468 is an abundant number, since it is smaller than the sum of its proper divisors (17179479244).

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

10557396468 is a wasteful number, since it uses less digits than its factorization.

10557396468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24243 (or 24229 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 10557396468 in words is "ten billion, five hundred fifty-seven million, three hundred ninety-six thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 457 486 914 972 1371 1828 2742 4113 5484 8226 12339 16452 23767 24678 37017 47534 49356 71301 74034 95068 111051 142602 148068 213903 222102 285204 427806 444204 641709 855612 1283418 1925127 2566836 3850254 5775381 7700508 10861519 11550762 21723038 23101524 32584557 43446076 65169114 97753671 130338228 195507342 293261013 391014684 586522026 879783039 1173044052 1759566078 2639349117 3519132156 5278698234 10557396468