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268833280431 = 3234089795267
BaseRepresentation
bin1111101001011110110…
…1100101000110101111
3221200220110020122000010
43322113231211012233
513401032304433211
6323300022104303
725264640115612
oct3722755450657
9850813218003
10268833280431
11a4014418621
124412787b093
131c473b25501
14d023b8c179
156ed64204a6
hex3e97b651af

268833280431 has 16 divisors (see below), whose sum is σ = 374041983744. Its totient is φ = 171423926784.

The previous prime is 268833280411. The next prime is 268833280453. The reversal of 268833280431 is 134082338862.

It is a happy number.

It is not a de Polignac number, because 268833280431 - 217 = 268833149359 is a prime.

It is a super-2 number, since 2×2688332804312 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268833280411) 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, 2774260 + ... + 2869526.

It is an arithmetic number, because the mean of its divisors is an integer number (23377623984).

Almost surely, 2268833280431 is an apocalyptic number.

268833280431 is a deficient number, since it is larger than the sum of its proper divisors (105208703313).

268833280431 is a wasteful number, since it uses less digits than its factorization.

268833280431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136190.

The product of its (nonzero) digits is 1327104, while the sum is 48.

The spelling of 268833280431 in words is "two hundred sixty-eight billion, eight hundred thirty-three million, two hundred eighty thousand, four hundred thirty-one".

Divisors: 1 3 23 69 40897 95267 122691 285801 940631 2191141 2821893 6573423 3896134499 11688403497 89611093477 268833280431