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680200469015 = 51719421176761
BaseRepresentation
bin10011110010111110001…
…10110111101000010111
32102000201100012000021112
421321133012313220113
542121022310002030
61240251344405235
7100100000406254
oct11713706675027
92360640160245
10680200469015
11242520482a51
12ab9b191681b
134c1b1481c32
1424cc98c442b
1512a60c39a95
hex9e5f1b7a17

680200469015 has 16 divisors (see below), whose sum is σ = 909741805920. Its totient is φ = 485195627520.

The previous prime is 680200468979. The next prime is 680200469027. The reversal of 680200469015 is 510964002086.

It is a happy number.

It is not a de Polignac number, because 680200469015 - 222 = 680196274711 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210586766 + ... + 210589995.

It is an arithmetic number, because the mean of its divisors is an integer number (56858862870).

Almost surely, 2680200469015 is an apocalyptic number.

680200469015 is a deficient number, since it is larger than the sum of its proper divisors (229541336905).

680200469015 is a wasteful number, since it uses less digits than its factorization.

680200469015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421176802.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 680200469015 in words is "six hundred eighty billion, two hundred million, four hundred sixty-nine thousand, fifteen".

Divisors: 1 5 17 19 85 95 323 1615 421176761 2105883805 7160004937 8002358459 35800024685 40011792295 136040093803 680200469015