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23211240344 = 231031271371619
BaseRepresentation
bin10101100111011111…
…110110101110011000
32012220122001011212022
4111213133312232120
5340014034142334
614355121234012
71451124200435
oct254737665630
965818034768
1023211240344
11993115a466
1245b9492908
13225ba80756
1411a2998b8c
1590cb3982e
hex5677f6b98

23211240344 has 64 divisors (see below), whose sum is σ = 44640460800. Its totient is φ = 11312227584.

The previous prime is 23211240337. The next prime is 23211240373. The reversal of 23211240344 is 44304211232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14335967 + ... + 14337585.

It is an arithmetic number, because the mean of its divisors is an integer number (697507200).

Almost surely, 223211240344 is an apocalyptic number.

It is an amenable number.

23211240344 is a deficient number, since it is larger than the sum of its proper divisors (21429220456).

23211240344 is a wasteful number, since it uses less digits than its factorization.

23211240344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992 (or 1988 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 23211240344 its reverse (44304211232), we get a palindrome (67515451576).

The spelling of 23211240344 in words is "twenty-three billion, two hundred eleven million, two hundred forty thousand, three hundred forty-four".

Divisors: 1 2 4 8 103 127 137 206 254 274 412 508 548 824 1016 1096 1619 3238 6476 12952 13081 14111 17399 26162 28222 34798 52324 56444 69596 104648 112888 139192 166757 205613 221803 333514 411226 443606 667028 822452 887212 1334056 1644904 1774424 1792097 3584194 7168388 14336776 21178139 22845709 28168981 42356278 45691418 56337962 84712556 91382836 112675924 169425112 182765672 225351848 2901405043 5802810086 11605620172 23211240344