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6880927968 = 25358771009
BaseRepresentation
bin1100110100010001…
…01010000011100000
3122202112200100200000
412122020222003200
5103043004143333
63054442100000
7332341631325
oct63210520340
918675610600
106880927968
112a11117032
1214004aa600
13858745515
14493c02b4c
152a4148713
hex19a22a0e0

6880927968 has 144 divisors (see below), whose sum is σ = 20335638960. Its totient is φ = 2288756736.

The previous prime is 6880927967. The next prime is 6880927969. The reversal of 6880927968 is 8697290886.

It is an interprime number because it is at equal distance from previous prime (6880927967) and next prime (6880927969).

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6880927961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6819048 + ... + 6820056.

It is an arithmetic number, because the mean of its divisors is an integer number (141219715).

Almost surely, 26880927968 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 6880927968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10167819480).

6880927968 is an abundant number, since it is smaller than the sum of its proper divisors (13454710992).

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

6880927968 is a wasteful number, since it uses less digits than its factorization.

6880927968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911 (or 1891 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The square root of 6880927968 is about 82951.3590485412. The cubic root of 6880927968 is about 1902.0225892689.

The spelling of 6880927968 in words is "six billion, eight hundred eighty million, nine hundred twenty-seven thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 243 288 324 432 486 648 864 877 972 1009 1296 1754 1944 2018 2592 2631 3027 3508 3888 4036 5262 6054 7016 7776 7893 8072 9081 10524 12108 14032 15786 16144 18162 21048 23679 24216 27243 28064 31572 32288 36324 42096 47358 48432 54486 63144 71037 72648 81729 84192 94716 96864 108972 126288 142074 145296 163458 189432 213111 217944 245187 252576 284148 290592 326916 378864 426222 435888 490374 568296 653832 757728 852444 871776 884893 980748 1136592 1307664 1704888 1769786 1961496 2273184 2615328 2654679 3409776 3539572 3922992 5309358 6819552 7079144 7845984 7964037 10618716 14158288 15928074 21237432 23892111 28316576 31856148 42474864 47784222 63712296 71676333 84949728 95568444 127424592 143352666 191136888 215028999 254849184 286705332 382273776 430057998 573410664 764547552 860115996 1146821328 1720231992 2293642656 3440463984 6880927968