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129893263915 = 5241110775053
BaseRepresentation
bin111100011111000111…
…1011110101000101011
3110102021111002111020111
41320332033132220223
54112010133421130
6135401103235151
712245606345302
oct1707617365053
9412244074214
10129893263915
11500a63a7798
1221210ba8ab7
13c330a42c9c
146403243439
1535a37cd02a
hex1e3e3dea2b

129893263915 has 8 divisors (see below), whose sum is σ = 155936581488. Its totient is φ = 103871501280.

The previous prime is 129893263901. The next prime is 129893263921. The reversal of 129893263915 is 519362398921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 129893263915 - 25 = 129893263883 is a prime.

It is a super-2 number, since 2×1298932639152 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 129893263915.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5375472 + ... + 5399581.

It is an arithmetic number, because the mean of its divisors is an integer number (19492072686).

Almost surely, 2129893263915 is an apocalyptic number.

129893263915 is a deficient number, since it is larger than the sum of its proper divisors (26043317573).

129893263915 is a wasteful number, since it uses less digits than its factorization.

129893263915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10777469.

The product of its digits is 6298560, while the sum is 58.

The spelling of 129893263915 in words is "one hundred twenty-nine billion, eight hundred ninety-three million, two hundred sixty-three thousand, nine hundred fifteen".

Divisors: 1 5 2411 12055 10775053 53875265 25978652783 129893263915