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680008150 = 25231343451
BaseRepresentation
bin101000100010000…
…001100111010110
31202101112222211001
4220202001213112
52343040230100
6151250533514
722564655023
oct5042014726
91671488731
10680008150
11319935208
1216b89729a
13aab5c8b3
146645254a
153ea73d6a
hex288819d6

680008150 has 24 divisors (see below), whose sum is σ = 1268885304. Its totient is φ = 271128000.

The previous prime is 680008141. The next prime is 680008183. The reversal of 680008150 is 51800086.

It is a happy number.

It is a super-2 number, since 2×6800081502 = 924822168132845000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6076 + ... + 37375.

It is an arithmetic number, because the mean of its divisors is an integer number (52870221).

Almost surely, 2680008150 is an apocalyptic number.

680008150 is a deficient number, since it is larger than the sum of its proper divisors (588877154).

680008150 is a wasteful number, since it uses less digits than its factorization.

680008150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43776 (or 43771 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 680008150 is about 26076.9658894588. The cubic root of 680008150 is about 879.3694475707.

The spelling of 680008150 in words is "six hundred eighty million, eight thousand, one hundred fifty".

Divisors: 1 2 5 10 25 50 313 626 1565 3130 7825 15650 43451 86902 217255 434510 1086275 2172550 13600163 27200326 68000815 136001630 340004075 680008150