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23271061452731 = 312107388158313
BaseRepresentation
bin1010100101010001101110…
…10110011111011110111011
310001101200200021200021212222
411102220313112133132323
511022233113212441411
6121254324505154255
74621164411431021
oct522506726373673
9101350607607788
1023271061452731
117462224573144
12273a10748b98b
13cca5b4452891
145a647abd4711
152a550142e4db
hex152a3759f7bb

23271061452731 has 24 divisors (see below), whose sum is σ = 24277354923312. Its totient is φ = 22303780204800.

The previous prime is 23271061452643. The next prime is 23271061452733. The reversal of 23271061452731 is 13725416017232.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-23271061452731 is a prime.

It is a super-2 number, since 2×232710614527312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23271061452733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 399042431 + ... + 399100743.

It is an arithmetic number, because the mean of its divisors is an integer number (1011556455138).

Almost surely, 223271061452731 is an apocalyptic number.

23271061452731 is a deficient number, since it is larger than the sum of its proper divisors (1006293470581).

23271061452731 is a wasteful number, since it uses less digits than its factorization.

23271061452731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62363 (or 62332 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 44.

Adding to 23271061452731 its reverse (13725416017232), we get a palindrome (36996477469963).

The spelling of 23271061452731 in words is "twenty-three trillion, two hundred seventy-one billion, sixty-one million, four hundred fifty-two thousand, seven hundred thirty-one".

Divisors: 1 31 107 961 3317 3881 58313 102827 120311 415267 1807703 3729641 6239491 12873277 56038793 193424221 226312753 399071587 5996150851 7015695343 24215464571 217486555633 750679401701 23271061452731