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38688355520 = 265990112211
BaseRepresentation
bin100100000010000000…
…010111010011000000
310200212020222002112022
4210002000113103000
51113213204334040
625435001421012
72536506411263
oct440200272300
9120766862468
1038688355520
1115453628141
1275b879a768
1338573cb379
141c302d8cda
1510167966b5
hex9020174c0

38688355520 has 56 divisors (see below), whose sum is σ = 92143496688. Its totient is φ = 15472512000.

The previous prime is 38688355493. The next prime is 38688355571. The reversal of 38688355520 is 2555388683.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3162215 + ... + 3174425.

Almost surely, 238688355520 is an apocalyptic number.

It is an amenable number.

38688355520 is an abundant number, since it is smaller than the sum of its proper divisors (53455141168).

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

38688355520 is a wasteful number, since it uses less digits than its factorization.

38688355520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22129 (or 22119 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 53.

The spelling of 38688355520 in words is "thirty-eight billion, six hundred eighty-eight million, three hundred fifty-five thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 9901 12211 19802 24422 39604 48844 49505 61055 79208 97688 99010 122110 158416 195376 198020 244220 316832 390752 396040 488440 633664 781504 792080 976880 1584160 1953760 3168320 3907520 120901111 241802222 483604444 604505555 967208888 1209011110 1934417776 2418022220 3868835552 4836044440 7737671104 9672088880 19344177760 38688355520