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11758013431 = 29213980991
BaseRepresentation
bin10101111001101010…
…10000101111110111
31010100102202222011221
422330311100233313
5143040022412211
65222423011211
7564242315353
oct127465205767
933312688157
1011758013431
114a9410157a
122341899b07
131154c996c8
147d782a463
1548c3c0c71
hex2bcd50bf7

11758013431 has 6 divisors (see below), whose sum is σ = 12177444032. Its totient is φ = 11352563880.

The previous prime is 11758013429. The next prime is 11758013461. The reversal of 11758013431 is 13431085711.

It is a happy number.

It is not a de Polignac number, because 11758013431 - 21 = 11758013429 is a prime.

It is a super-2 number, since 2×117580134312 (a number of 21 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 (11758013411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6989655 + ... + 6991336.

Almost surely, 211758013431 is an apocalyptic number.

11758013431 is a deficient number, since it is larger than the sum of its proper divisors (419430601).

11758013431 is an equidigital number, since it uses as much as digits as its factorization.

11758013431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13981049 (or 13981020 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 11758013431 in words is "eleven billion, seven hundred fifty-eight million, thirteen thousand, four hundred thirty-one".

Divisors: 1 29 841 13980991 405448739 11758013431