Search a number
-
+
12977455270 = 25131635231171
BaseRepresentation
bin11000001011000010…
…00100000010100110
31020111102101000220111
430011201010002212
5203034212032040
65543423523234
7636410356363
oct140541040246
936442330814
1012977455270
11555a48724a
12262215951a
1312ba80a220
148b177b46a
1550e49bdea
hex3058440a6

12977455270 has 64 divisors (see below), whose sum is σ = 25380681984. Its totient is φ = 4749114240.

The previous prime is 12977455261. The next prime is 12977455313. The reversal of 12977455270 is 7255477921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11081785 + ... + 11082955.

It is an arithmetic number, because the mean of its divisors is an integer number (396573156).

Almost surely, 212977455270 is an apocalyptic number.

12977455270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12977455270 is a deficient number, since it is larger than the sum of its proper divisors (12403226714).

12977455270 is a wasteful number, since it uses less digits than its factorization.

12977455270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877.

The product of its (nonzero) digits is 1234800, while the sum is 49.

The spelling of 12977455270 in words is "twelve billion, nine hundred seventy-seven million, four hundred fifty-five thousand, two hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 163 326 523 815 1046 1171 1630 2119 2342 2615 4238 5230 5855 6799 10595 11710 13598 15223 21190 30446 33995 67990 76115 85249 152230 170498 190873 381746 426245 612433 852490 954365 1108237 1224866 1908730 2216474 2481349 3062165 4962698 5541185 6124330 7961629 11082370 12406745 15923258 24813490 39808145 79616290 99826579 199653158 499132895 998265790 1297745527 2595491054 6488727635 12977455270