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680103372 = 2231337911503
BaseRepresentation
bin101000100010011…
…000110111001100
31202101201211102210
4220202120313030
52343101301442
6151252550420
722565532444
oct5042306714
91671654383
10680103372
1131999a803
1216b922410
13aab94040
1466479124
153ea9219c
hex28898dcc

680103372 has 48 divisors (see below), whose sum is σ = 1713635840. Its totient is φ = 208692288.

The previous prime is 680103371. The next prime is 680103409. The reversal of 680103372 is 273301086.

It is not an unprimeable number, because it can be changed into a prime (680103371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53373 + ... + 64875.

Almost surely, 2680103372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680103372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (856817920).

680103372 is an abundant number, since it is smaller than the sum of its proper divisors (1033532468).

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

680103372 is a wasteful number, since it uses less digits than its factorization.

680103372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11902 (or 11900 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 680103372 is about 26078.7916131097. The cubic root of 680103372 is about 879.4104918873.

The spelling of 680103372 in words is "six hundred eighty million, one hundred three thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 379 758 1137 1516 2274 4548 4927 9854 11503 14781 19708 23006 29562 34509 46012 59124 69018 138036 149539 299078 448617 598156 897234 1794468 4359637 8719274 13078911 17438548 26157822 52315644 56675281 113350562 170025843 226701124 340051686 680103372