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156941740452 = 22371973946961
BaseRepresentation
bin1001001000101001110…
…1001110100110100100
3120000002112120110120210
42102022131032212210
510032404041143302
6200033102055420
714224106532420
oct2221235164644
9500075513523
10156941740452
1160616580532
12264bb57a570
1311a517976a3
14784b6a3b80
15413823b66c
hex248a74e9a4

156941740452 has 48 divisors (see below), whose sum is σ = 418723869312. Its totient is φ = 44817722880.

The previous prime is 156941740451. The next prime is 156941740499. The reversal of 156941740452 is 254047149651.

It is a super-2 number, since 2×1569417404522 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (156941740451) 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 15 ways as a sum of consecutive naturals, for example, 307749 + ... + 639212.

It is an arithmetic number, because the mean of its divisors is an integer number (8723413944).

Almost surely, 2156941740452 is an apocalyptic number.

156941740452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

156941740452 is an abundant number, since it is smaller than the sum of its proper divisors (261782128860).

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

156941740452 is a wasteful number, since it uses less digits than its factorization.

156941740452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948948 (or 948946 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 156941740452 in words is "one hundred fifty-six billion, nine hundred forty-one million, seven hundred forty thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1973 3946 5919 7892 11838 13811 23676 27622 41433 55244 82866 165732 946961 1893922 2840883 3787844 5681766 6628727 11363532 13257454 19886181 26514908 39772362 79544724 1868354053 3736708106 5605062159 7473416212 11210124318 13078478371 22420248636 26156956742 39235435113 52313913484 78470870226 156941740452