Search a number
-
+
12339408990 = 2351237332509
BaseRepresentation
bin10110111110111110…
…00111000001011110
31011211221202220221210
423133133013001132
5200232342041430
65400232205250
7614532150216
oct133737070136
934757686853
1012339408990
115262302677
122484539826
13121858014c
14850b2d246
154c34662b0
hex2df7c705e

12339408990 has 32 divisors (see below), whose sum is σ = 29638611360. Its totient is φ = 3287839104.

The previous prime is 12339408967. The next prime is 12339409063. The reversal of 12339408990 is 9980493321.

It is a super-2 number, since 2×123394089902 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129145 + ... + 203364.

It is an arithmetic number, because the mean of its divisors is an integer number (926206605).

Almost surely, 212339408990 is an apocalyptic number.

12339408990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12339408990 is an abundant number, since it is smaller than the sum of its proper divisors (17299202370).

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

12339408990 is a wasteful number, since it uses less digits than its factorization.

12339408990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333756.

The product of its (nonzero) digits is 419904, while the sum is 48.

The spelling of 12339408990 in words is "twelve billion, three hundred thirty-nine million, four hundred eight thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 1237 2474 3711 6185 7422 12370 18555 37110 332509 665018 997527 1662545 1995054 3325090 4987635 9975270 411313633 822627266 1233940899 2056568165 2467881798 4113136330 6169704495 12339408990