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293642749051 = 191011084714107
BaseRepresentation
bin1000100010111100111…
…10001100010001111011
31001001221110122012220021
410101132132030101323
514302340020432201
6342521515111311
730133512120121
oct4213636142173
91031843565807
10293642749051
111035957495a3
1248ab0442537
13218c8a3b462
14102d8ad9911
157989508ea1
hex445e78c47b

293642749051 has 16 divisors (see below), whose sum is σ = 312208911360. Its totient is φ = 275388616800.

The previous prime is 293642749039. The next prime is 293642749067. The reversal of 293642749051 is 150947246392.

It is a cyclic number.

It is not a de Polignac number, because 293642749051 - 27 = 293642748923 is a prime.

It is a super-2 number, since 2×2936427490512 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 293642749051.

It is not an unprimeable number, because it can be changed into a prime (293642747051) 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, 20808340 + ... + 20822446.

It is an arithmetic number, because the mean of its divisors is an integer number (19513056960).

Almost surely, 2293642749051 is an apocalyptic number.

293642749051 is a deficient number, since it is larger than the sum of its proper divisors (18566162309).

293642749051 is a wasteful number, since it uses less digits than its factorization.

293642749051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25074.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 293642749051 in words is "two hundred ninety-three billion, six hundred forty-two million, seven hundred forty-nine thousand, fifty-one".

Divisors: 1 19 101 1919 10847 14107 206093 268033 1095547 1424807 20815393 27071333 153018629 2907353951 15454881529 293642749051