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78935490796 = 2271277941869
BaseRepresentation
bin100100110000011101…
…1000000000011101100
321112202011001101220011
41021200323000003230
52243124441201141
6100132405303004
75463044413141
oct1114073000354
9245664041804
1078935490796
1130527032608
121336b404a64
13759c72c406
143b6b6383c8
1520bece8881
hex1260ec00ec

78935490796 has 12 divisors (see below), whose sum is σ = 140082702480. Its totient is φ = 38911861520.

The previous prime is 78935490773. The next prime is 78935490797. The reversal of 78935490796 is 69709453987.

It is a super-3 number, since 3×789354907963 (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (78935490797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138970651 + ... + 138971218.

It is an arithmetic number, because the mean of its divisors is an integer number (11673558540).

Almost surely, 278935490796 is an apocalyptic number.

It is an amenable number.

78935490796 is a deficient number, since it is larger than the sum of its proper divisors (61147211684).

78935490796 is a wasteful number, since it uses less digits than its factorization.

78935490796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277941944 (or 277941942 counting only the distinct ones).

The product of its (nonzero) digits is 102876480, while the sum is 67.

The spelling of 78935490796 in words is "seventy-eight billion, nine hundred thirty-five million, four hundred ninety thousand, seven hundred ninety-six".

Divisors: 1 2 4 71 142 284 277941869 555883738 1111767476 19733872699 39467745398 78935490796