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129723948714 = 2395212270839
BaseRepresentation
bin111100011010000100…
…1100101111010101010
3110101211200111101110010
41320310021211322222
54111133312324324
6135332214232350
712241452241053
oct1706411457252
9411750441403
10129723948714
1150019872778
12211843556b6
13c304940589
1463c896b72a
1535939d5829
hex1e34265eaa

129723948714 has 16 divisors (see below), whose sum is σ = 259475261760. Its totient is φ = 43236755520.

The previous prime is 129723948707. The next prime is 129723948727. The reversal of 129723948714 is 417849327921.

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 7 ways as a sum of consecutive naturals, for example, 1078294 + ... + 1192545.

It is an arithmetic number, because the mean of its divisors is an integer number (16217203860).

Almost surely, 2129723948714 is an apocalyptic number.

129723948714 is an abundant number, since it is smaller than the sum of its proper divisors (129751313046).

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

129723948714 is a wasteful number, since it uses less digits than its factorization.

129723948714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2280365.

The product of its digits is 6096384, while the sum is 57.

The spelling of 129723948714 in words is "one hundred twenty-nine billion, seven hundred twenty-three million, nine hundred forty-eight thousand, seven hundred fourteen".

Divisors: 1 2 3 6 9521 19042 28563 57126 2270839 4541678 6812517 13625034 21620658119 43241316238 64861974357 129723948714