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129807926714 = 2671871351767
BaseRepresentation
bin111100011100100100…
…1111100010110111010
3110102001112111220121102
41320321021330112322
54111321312123324
6135344414211402
712243522112634
oct1707111742672
9412045456542
10129807926714
1150062210684
12211a84b3b62
13c3191644bb
1463d5b8ba54
15359b072dae
hex1e3927c5ba

129807926714 has 16 divisors (see below), whose sum is σ = 197632415808. Its totient is φ = 63930595872.

The previous prime is 129807926657. The next prime is 129807926719. The reversal of 129807926714 is 417629708921.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 129807926714.

It is not an unprimeable number, because it can be changed into a prime (129807926719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2481659 + ... + 2533425.

It is an arithmetic number, because the mean of its divisors is an integer number (12352025988).

Almost surely, 2129807926714 is an apocalyptic number.

129807926714 is a deficient number, since it is larger than the sum of its proper divisors (67824489094).

129807926714 is a wasteful number, since it uses less digits than its factorization.

129807926714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70549.

The product of its (nonzero) digits is 3048192, while the sum is 56.

The spelling of 129807926714 in words is "one hundred twenty-nine billion, eight hundred seven million, nine hundred twenty-six thousand, seven hundred fourteen".

Divisors: 1 2 67 134 18713 37426 51767 103534 1253771 2507542 3468389 6936778 968715871 1937431742 64903963357 129807926714