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79118996947 = 2322271154459
BaseRepresentation
bin100100110101111011…
…1000001010111010011
321120012221100111000021
41021223313001113103
52244013430400242
6100202522404311
75500433243404
oct1115367012723
9246187314007
1079118996947
113061067a491
1213400960697
1375cb760133
143b87b659ab
1520d0e95b67
hex126bdc15d3

79118996947 has 8 divisors (see below), whose sum is σ = 82563194880. Its totient is φ = 75675152520.

The previous prime is 79118996933. The next prime is 79118996951. The reversal of 79118996947 is 74969981197.

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

It is a cyclic number.

It is not a de Polignac number, because 79118996947 - 219 = 79118472659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79118996147) 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, 435004 + ... + 589462.

It is an arithmetic number, because the mean of its divisors is an integer number (10320399360).

Almost surely, 279118996947 is an apocalyptic number.

79118996947 is a deficient number, since it is larger than the sum of its proper divisors (3444197933).

79118996947 is a wasteful number, since it uses less digits than its factorization.

79118996947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176753.

The product of its digits is 61725888, while the sum is 70.

The spelling of 79118996947 in words is "seventy-nine billion, one hundred eighteen million, nine hundred ninety-six thousand, nine hundred forty-seven".

Divisors: 1 23 22271 154459 512233 3552557 3439956389 79118996947