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142356260431 = 71114891241627
BaseRepresentation
bin1000010010010100011…
…0000010011001001111
3111121110001102022102001
42010211012002121033
54313021200313211
6145221512413131
713166502151150
oct2044506023117
9447401368361
10142356260431
1155411441510
122370a9a71a7
1310568aa4c38
146c66543927
153a82a07ac1
hex212518264f

142356260431 has 16 divisors (see below), whose sum is σ = 177602469120. Its totient is φ = 110852369280.

The previous prime is 142356260411. The next prime is 142356260437. The reversal of 142356260431 is 134062653241.

It is a cyclic number.

It is not a de Polignac number, because 142356260431 - 229 = 141819389519 is a prime.

It is a super-2 number, since 2×1423562604312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142356260437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506161 + ... + 735466.

It is an arithmetic number, because the mean of its divisors is an integer number (11100154320).

Almost surely, 2142356260431 is an apocalyptic number.

142356260431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142356260431 is a deficient number, since it is larger than the sum of its proper divisors (35246208689).

142356260431 is a wasteful number, since it uses less digits than its factorization.

142356260431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243134.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 142356260431 in words is "one hundred forty-two billion, three hundred fifty-six million, two hundred sixty thousand, four hundred thirty-one".

Divisors: 1 7 11 77 1489 10423 16379 114653 1241627 8691389 13657897 95605279 1848782603 12941478221 20336608633 142356260431