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680103134 = 21279265873
BaseRepresentation
bin101000100010011…
…000110011011110
31202101201211002222
4220202120303132
52343101300014
6151252545342
722565531654
oct5042306336
91671654088
10680103134
1131999a607
1216b922252
13aab93bb9
1466478dd4
153ea9208e
hex28898cde

680103134 has 8 divisors (see below), whose sum is σ = 1020956160. Its totient is φ = 339784416.

The previous prime is 680103101. The next prime is 680103143. The reversal of 680103134 is 431301086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130379 + ... + 135494.

It is an arithmetic number, because the mean of its divisors is an integer number (127619520).

Almost surely, 2680103134 is an apocalyptic number.

680103134 is a deficient number, since it is larger than the sum of its proper divisors (340853026).

680103134 is a wasteful number, since it uses less digits than its factorization.

680103134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267154.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 680103134 is about 26078.7870500144. The cubic root of 680103134 is about 879.4103893050.

The spelling of 680103134 in words is "six hundred eighty million, one hundred three thousand, one hundred thirty-four".

Divisors: 1 2 1279 2558 265873 531746 340051567 680103134