Search a number
-
+
12641680095 = 3511223302831
BaseRepresentation
bin10111100011000000…
…01011101011011111
31012122000112212221220
423301200023223133
5201342232230340
65450231024423
7625162336122
oct136140135337
935560485856
1012641680095
1153a7998400
12254980b113
1312660948a5
1487cd343b9
154dec72ed0
hex2f180badf

12641680095 has 48 divisors (see below), whose sum is σ = 23199353856. Its totient is φ = 5862788800.

The previous prime is 12641680081. The next prime is 12641680111. The reversal of 12641680095 is 59008614621.

It is not a de Polignac number, because 12641680095 - 212 = 12641675999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109671 + ... + 193160.

It is an arithmetic number, because the mean of its divisors is an integer number (483319872).

Almost surely, 212641680095 is an apocalyptic number.

12641680095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12641680095 is a deficient number, since it is larger than the sum of its proper divisors (10557673761).

12641680095 is a wasteful number, since it uses less digits than its factorization.

12641680095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302884 (or 302873 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 12641680095 in words is "twelve billion, six hundred forty-one million, six hundred eighty thousand, ninety-five".

Divisors: 1 3 5 11 15 23 33 55 69 115 121 165 253 345 363 605 759 1265 1815 2783 3795 8349 13915 41745 302831 908493 1514155 3331141 4542465 6965113 9993423 16655705 20895339 34825565 36642551 49967115 76616243 104476695 109927653 183212755 229848729 383081215 549638265 842778673 1149243645 2528336019 4213893365 12641680095