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14687666972 = 2211599775791
BaseRepresentation
bin11011010110111010…
…00000001100011100
31101220121102210022122
431223131000030130
5220040020320342
610425235402112
71026655052336
oct155335001434
941817383278
1014687666972
116257894650
122a1aa53338
131500c20804
149d4960456
155ae6bb4d2
hex36b74031c

14687666972 has 48 divisors (see below), whose sum is σ = 28549463040. Its totient is φ = 6555206400.

The previous prime is 14687666963. The next prime is 14687666977. The reversal of 14687666972 is 27966678641.

It is a super-2 number, since 2×146876669722 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14687666977) 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, 2533397 + ... + 2539187.

It is an arithmetic number, because the mean of its divisors is an integer number (594780480).

Almost surely, 214687666972 is an apocalyptic number.

It is an amenable number.

14687666972 is a deficient number, since it is larger than the sum of its proper divisors (13861796068).

14687666972 is a wasteful number, since it uses less digits than its factorization.

14687666972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6842 (or 6840 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 62.

The spelling of 14687666972 in words is "fourteen billion, six hundred eighty-seven million, six hundred sixty-six thousand, nine hundred seventy-two".

Divisors: 1 2 4 11 22 44 59 118 236 649 977 1298 1954 2596 3908 5791 10747 11582 21494 23164 42988 57643 63701 115286 127402 230572 254804 341669 634073 683338 1268146 1366676 2536292 3758359 5657807 7516718 11315614 15033436 22631228 62235877 124471754 248943508 333810613 667621226 1335242452 3671916743 7343833486 14687666972