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680601121115 = 53713763142557
BaseRepresentation
bin10011110011101101111…
…11001111000101011011
32102001202021002020122012
421321312333033011123
542122332341333430
61240355220020135
7100112634035216
oct11716677170533
92361667066565
10680601121115
11242706653893
12abaa3b3164b
134c246491296
1424d26bb877d
1512a85ecb695
hex9e76fcf15b

680601121115 has 32 divisors (see below), whose sum is σ = 846276384384. Its totient is φ = 525052523520.

The previous prime is 680601121073. The next prime is 680601121129. The reversal of 680601121115 is 511121106086.

It is not a de Polignac number, because 680601121115 - 26 = 680601121051 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15971417 + ... + 16013973.

It is an arithmetic number, because the mean of its divisors is an integer number (26446137012).

Almost surely, 2680601121115 is an apocalyptic number.

680601121115 is a deficient number, since it is larger than the sum of its proper divisors (165675263269).

680601121115 is a wasteful number, since it uses less digits than its factorization.

680601121115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43367.

The product of its (nonzero) digits is 2880, while the sum is 32.

The spelling of 680601121115 in words is "six hundred eighty billion, six hundred one million, one hundred twenty-one thousand, one hundred fifteen".

Divisors: 1 5 37 137 185 631 685 3155 5069 23347 25345 42557 86447 116735 212785 432235 1574609 3198539 5830309 7873045 15992695 26853467 29151545 134267335 215721433 993578279 1078607165 3678924979 4967891395 18394624895 136120224223 680601121115