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79908615006 = 231147101255053
BaseRepresentation
bin100101001101011101…
…1001011001101011110
321122020222011020100120
41022122323023031132
52302123101140011
6100413130535410
75526132010023
oct1123273131536
9248228136316
1079908615006
113098636a1a0
12135a1297566
1376c621965c
143c2098b54a
15212a46ba06
hex129aecb35e

79908615006 has 64 divisors (see below), whose sum is σ = 179819191296. Its totient is φ = 23464784000.

The previous prime is 79908614941. The next prime is 79908615071. The reversal of 79908615006 is 60051680997.

It is an interprime number because it is at equal distance from previous prime (79908614941) and next prime (79908615071).

It is a self number, because there is not a number n which added to its sum of digits gives 79908615006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185776 + ... + 440828.

It is an arithmetic number, because the mean of its divisors is an integer number (2809674864).

Almost surely, 279908615006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79908615006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89909595648).

79908615006 is an abundant number, since it is smaller than the sum of its proper divisors (99910576290).

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

79908615006 is a wasteful number, since it uses less digits than its factorization.

79908615006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255217.

The product of its (nonzero) digits is 816480, while the sum is 51.

The spelling of 79908615006 in words is "seventy-nine billion, nine hundred eight million, six hundred fifteen thousand, six".

Divisors: 1 2 3 6 11 22 33 47 66 94 101 141 202 282 303 517 606 1034 1111 1551 2222 3102 3333 4747 6666 9494 14241 28482 52217 104434 156651 255053 313302 510106 765159 1530318 2805583 5611166 8416749 11987491 16833498 23974982 25760353 35962473 51520706 71924946 77281059 131862401 154562118 263724802 283363883 395587203 566727766 791174406 850091649 1210736591 1700183298 2421473182 3632209773 7264419546 13318102501 26636205002 39954307503 79908615006