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202142554504 = 231121910990787
BaseRepresentation
bin1011110001000010100…
…0101001100110001000
3201022202122212201201221
42330100220221212020
511302441443221004
6232510224251424
720414165235412
oct2742050514610
9638678781657
10202142554504
1178801225100
1233215170b74
13160a61894c7
149ad88879b2
1553d15e5354
hex2f10a29988

202142554504 has 48 divisors (see below), whose sum is σ = 438532441200. Its totient is φ = 87047025120.

The previous prime is 202142554501. The next prime is 202142554507. The reversal of 202142554504 is 405455241202.

It is an interprime number because it is at equal distance from previous prime (202142554501) and next prime (202142554507).

It is a super-2 number, since 2×2021425545042 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 202142554504.

It is not an unprimeable number, because it can be changed into a prime (202142554501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5477002 + ... + 5513785.

It is an arithmetic number, because the mean of its divisors is an integer number (9136092525).

Almost surely, 2202142554504 is an apocalyptic number.

It is an amenable number.

202142554504 is an abundant number, since it is smaller than the sum of its proper divisors (236389886696).

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

202142554504 is a wasteful number, since it uses less digits than its factorization.

202142554504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10990834 (or 10990819 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 34.

Adding to 202142554504 its reverse (405455241202), we get a palindrome (607597795706).

The spelling of 202142554504 in words is "two hundred two billion, one hundred forty-two million, five hundred fifty-four thousand, five hundred four".

Divisors: 1 2 4 8 11 19 22 38 44 76 88 121 152 209 242 418 484 836 968 1672 2299 4598 9196 18392 10990787 21981574 43963148 87926296 120898657 208824953 241797314 417649906 483594628 835299812 967189256 1329885227 1670599624 2297074483 2659770454 4594148966 5319540908 9188297932 10639081816 18376595864 25267819313 50535638626 101071277252 202142554504