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680400414162 = 23272947814603
BaseRepresentation
bin10011110011010110000…
…01100110010111010010
32102001020021102021110100
421321223001212113102
542121430001223122
61240323250113230
7100104646044600
oct11715301462722
92361207367410
10680400414162
11242613328777
12aba4887b816
134c213a1a281
1424d08290870
1512a73582aac
hex9e6b0665d2

680400414162 has 72 divisors (see below), whose sum is σ = 1716699728016. Its totient is φ = 194194599984.

The previous prime is 680400414157. The next prime is 680400414193. The reversal of 680400414162 is 261414004086.

It is a happy number.

680400414162 is a `hidden beast` number, since 6 + 80 + 4 + 0 + 0 + 414 + 162 = 666.

680400414162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6804004141622 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 427953 + ... + 1242555.

It is an arithmetic number, because the mean of its divisors is an integer number (23843051778).

Almost surely, 2680400414162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680400414162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (858349864008).

680400414162 is an abundant number, since it is smaller than the sum of its proper divisors (1036299313854).

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

680400414162 is a wasteful number, since it uses less digits than its factorization.

680400414162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815572 (or 815562 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 680400414162 in words is "six hundred eighty billion, four hundred million, four hundred fourteen thousand, one hundred sixty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 294 441 882 947 1894 2841 5682 6629 8523 13258 17046 19887 39774 46403 59661 92806 119322 139209 278418 417627 814603 835254 1629206 2443809 4887618 5702221 7331427 11404442 14662854 17106663 34213326 39915547 51319989 79831094 102639978 119746641 239493282 359239923 718479846 771429041 1542858082 2314287123 4628574246 5400003287 6942861369 10800006574 13885722738 16200009861 32400019722 37800023009 48600029583 75600046018 97200059166 113400069027 226800138054 340200207081 680400414162