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79952672995 = 5134130001003
BaseRepresentation
bin100101001110110001…
…1001111100011100011
321122101001001121112221
41022131203033203203
52302220341013440
6100421343131511
75530205335666
oct1123543174343
9248331047487
1079952672995
11309a9221658
12135b3ba3b97
1377023a4280
143c267796dd
15212e270d4a
hex129d8cf8e3

79952672995 has 16 divisors (see below), whose sum is σ = 105843542112. Its totient is φ = 57601923840.

The previous prime is 79952672993. The next prime is 79952673023. The reversal of 79952672995 is 59927625997.

It is not a de Polignac number, because 79952672995 - 21 = 79952672993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79952672993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14997837 + ... + 15003166.

It is an arithmetic number, because the mean of its divisors is an integer number (6615221382).

Almost surely, 279952672995 is an apocalyptic number.

79952672995 is a deficient number, since it is larger than the sum of its proper divisors (25890869117).

79952672995 is a wasteful number, since it uses less digits than its factorization.

79952672995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30001062.

The product of its digits is 192893400, while the sum is 70.

The spelling of 79952672995 in words is "seventy-nine billion, nine hundred fifty-two million, six hundred seventy-two thousand, nine hundred ninety-five".

Divisors: 1 5 13 41 65 205 533 2665 30001003 150005015 390013039 1230041123 1950065195 6150205615 15990534599 79952672995