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258051668668320 = 2535537607643059
BaseRepresentation
bin111010101011001001010110…
…000010110110111110100000
31020211200111110110220000210210
4322223021112002312332200
5232310404304134341240
62312455144445454120
7105232421624350152
oct7253112602667640
91224614413800723
10258051668668320
117525010962a94a
1224b38185871340
13b0cb224c72117
1447a1aa5a88ad2
151ec77b1c6e780
hexeab2560b6fa0

258051668668320 has 48 divisors (see below), whose sum is σ = 812862756306720. Its totient is φ = 68813778311424.

The previous prime is 258051668668309. The next prime is 258051668668333. The reversal of 258051668668320 is 23866866150852.

It is a happy number.

258051668668320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

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, 268803821050 + ... + 268803822009.

It is an arithmetic number, because the mean of its divisors is an integer number (16934640756390).

Almost surely, 2258051668668320 is an apocalyptic number.

258051668668320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258051668668320 is an abundant number, since it is smaller than the sum of its proper divisors (554811087638400).

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

258051668668320 is a wasteful number, since it uses less digits than its factorization.

258051668668320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537607643077 (or 537607643069 counting only the distinct ones).

The product of its (nonzero) digits is 199065600, while the sum is 66.

The spelling of 258051668668320 in words is "two hundred fifty-eight trillion, fifty-one billion, six hundred sixty-eight million, six hundred sixty-eight thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 537607643059 1075215286118 1612822929177 2150430572236 2688038215295 3225645858354 4300861144472 5376076430590 6451291716708 8064114645885 8601722288944 10752152861180 12902583433416 16128229291770 17203444577888 21504305722360 25805166866832 32256458583540 43008611444720 51610333733664 64512917167080 86017222889440 129025834334160 258051668668320