Search a number
-
+
78858514030056 = 2333691890211709
BaseRepresentation
bin10001111011100010101101…
…101101110101110111101000
3101100012210121102121121211220
4101323202231231311313220
540314004214042430211
6435415033510422040
722416224330350155
oct2173425555656750
9340183542547756
1078858514030056
1123143787372982
128a17384961920
1335004311b5447
141568ab582d22c
1591b456cc8806
hex47b8adb75de8

78858514030056 has 32 divisors (see below), whose sum is σ = 197199697999200. Its totient is φ = 26279049620160.

The previous prime is 78858514030031. The next prime is 78858514030069. The reversal of 78858514030056 is 65003041585887.

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, 445017271 + ... + 445194438.

It is an arithmetic number, because the mean of its divisors is an integer number (6162490562475).

Almost surely, 278858514030056 is an apocalyptic number.

It is an amenable number.

78858514030056 is an abundant number, since it is smaller than the sum of its proper divisors (118341183969144).

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

78858514030056 is a wasteful number, since it uses less digits than its factorization.

78858514030056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890215409 (or 890215405 counting only the distinct ones).

The product of its (nonzero) digits is 32256000, while the sum is 60.

The spelling of 78858514030056 in words is "seventy-eight trillion, eight hundred fifty-eight billion, five hundred fourteen million, thirty thousand, fifty-six".

Divisors: 1 2 3 4 6 8 12 24 3691 7382 11073 14764 22146 29528 44292 88584 890211709 1780423418 2670635127 3560846836 5341270254 7121693672 10682540508 21365081016 3285771417919 6571542835838 9857314253757 13143085671676 19714628507514 26286171343352 39429257015028 78858514030056