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23689687149816 = 23319169111307201
BaseRepresentation
bin1010110001011101011110…
…11000110010110011111000
310002212201020000210002221120
411120232233120302303320
511101112434402243231
6122214520402505240
74663344350230632
oct530565730626370
9102781200702846
1023689687149816
117603815897426
1227a7278365220
13102ac0a81664c
145bc830939a52
152b13530c7d96
hex158baf632cf8

23689687149816 has 64 divisors (see below), whose sum is σ = 62341853548800. Its totient is φ = 7480885248000.

The previous prime is 23689687149803. The next prime is 23689687149841. The reversal of 23689687149816 is 61894178698632.

It is a super-3 number, since 3×236896871498163 (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 76961016 + ... + 77268216.

It is an arithmetic number, because the mean of its divisors is an integer number (974091461700).

Almost surely, 223689687149816 is an apocalyptic number.

It is an amenable number.

23689687149816 is an abundant number, since it is smaller than the sum of its proper divisors (38652166398984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23689687149816 is a wasteful number, since it uses less digits than its factorization.

23689687149816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476340 (or 476336 counting only the distinct ones).

The product of its digits is 1504935936, while the sum is 78.

The spelling of 23689687149816 in words is "twenty-three trillion, six hundred eighty-nine billion, six hundred eighty-seven million, one hundred forty-nine thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 169111 307201 338222 507333 614402 676444 921603 1014666 1228804 1352888 1843206 2029332 2457608 3213109 3686412 4058664 5836819 6426218 7372824 9639327 11673638 12852436 17510457 19278654 23347276 25704872 35020914 38557308 46694552 70041828 77114616 140083656 51951068311 103902136622 155853204933 207804273244 311706409866 415608546488 623412819732 987070297909 1246825639464 1974140595818 2961210893727 3948281191636 5922421787454 7896562383272 11844843574908 23689687149816