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78994076034 = 23471312138327
BaseRepresentation
bin100100110010001101…
…0011111000110000010
321112220020021211201210
41021210122133012002
52243234440413114
6100142301110550
75464355365446
oct1114432370602
9245806254653
1078994076034
1130557107565
1213386b58456
1375ab902433
143b75328826
1520c501c259
hex126469f182

78994076034 has 32 divisors (see below), whose sum is σ = 162581354496. Its totient is φ = 25574378960.

The previous prime is 78994076011. The next prime is 78994076039. The reversal of 78994076034 is 43067049987.

It is not an unprimeable number, because it can be changed into a prime (78994076039) 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, 1032222 + ... + 1106105.

It is an arithmetic number, because the mean of its divisors is an integer number (5080667328).

Almost surely, 278994076034 is an apocalyptic number.

78994076034 is an abundant number, since it is smaller than the sum of its proper divisors (83587278462).

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

78994076034 is a wasteful number, since it uses less digits than its factorization.

78994076034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138510.

The product of its (nonzero) digits is 9144576, while the sum is 57.

The spelling of 78994076034 in words is "seventy-eight billion, nine hundred ninety-four million, seventy-six thousand, thirty-four".

Divisors: 1 2 3 6 47 94 131 141 262 282 393 786 6157 12314 18471 36942 2138327 4276654 6414981 12829962 100501369 201002738 280120837 301504107 560241674 603008214 840362511 1680725022 13165679339 26331358678 39497038017 78994076034