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15250214056 = 23711211117331
BaseRepresentation
bin11100011001111101…
…11100110010101000
31110100210222010211211
432030332330302220
5222213023322211
611001133002504
71046625452320
oct161476746250
943323863754
1015250214056
1165163915a0
122b57323434
131590634ccc
14a49558280
155e3c8be21
hex38cfbcca8

15250214056 has 64 divisors (see below), whose sum is σ = 35819112960. Its totient is φ = 5913432000.

The previous prime is 15250214041. The next prime is 15250214071. The reversal of 15250214056 is 65041205251.

It is an interprime number because it is at equal distance from previous prime (15250214041) and next prime (15250214071).

It is a super-2 number, since 2×152502140562 (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71311 + ... + 188641.

It is an arithmetic number, because the mean of its divisors is an integer number (559673640).

Almost surely, 215250214056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15250214056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17909556480).

15250214056 is an abundant number, since it is smaller than the sum of its proper divisors (20568898904).

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

15250214056 is a wasteful number, since it uses less digits than its factorization.

15250214056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117566 (or 117562 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 15250214056 in words is "fifteen billion, two hundred fifty million, two hundred fourteen thousand, fifty-six".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 211 308 422 616 844 1477 1688 2321 2954 4642 5908 9284 11816 16247 18568 32494 64988 117331 129976 234662 469324 821317 938648 1290641 1642634 2581282 3285268 5162564 6570536 9034487 10325128 18068974 24756841 36137948 49513682 72275896 99027364 173297887 198054728 272325251 346595774 544650502 693191548 1089301004 1386383096 1906276757 2178602008 3812553514 7625107028 15250214056