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140431753881 = 3254192879411
BaseRepresentation
bin1000001011001001100…
…0101000001010011001
3111102110221010020201200
42002302120220022121
54300101012111011
6144302523504413
713101013132656
oct2026230501231
9442427106650
10140431753881
1154614078231
1223272388109
1310320170973
146b22adac2d
1539bdaa8856
hex20b2628299

140431753881 has 12 divisors (see below), whose sum is σ = 202883369520. Its totient is φ = 93603860280.

The previous prime is 140431753877. The next prime is 140431753897. The reversal of 140431753881 is 188357134041.

140431753881 is a `hidden beast` number, since 1 + 4 + 0 + 4 + 31 + 7 + 538 + 81 = 666.

It is not a de Polignac number, because 140431753881 - 22 = 140431753877 is a prime.

It is a super-2 number, since 2×1404317538812 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140431753831) 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, 1390935 + ... + 1488476.

It is an arithmetic number, because the mean of its divisors is an integer number (16906947460).

Almost surely, 2140431753881 is an apocalyptic number.

It is an amenable number.

140431753881 is a deficient number, since it is larger than the sum of its proper divisors (62451615639).

140431753881 is a wasteful number, since it uses less digits than its factorization.

140431753881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2884836 (or 2884833 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 140431753881 in words is "one hundred forty billion, four hundred thirty-one million, seven hundred fifty-three thousand, eight hundred eighty-one".

Divisors: 1 3 9 5419 16257 48771 2879411 8638233 25914699 15603528209 46810584627 140431753881