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78829125030 = 2325875879167
BaseRepresentation
bin100100101101010010…
…1001111110110100110
321112110201220110111100
41021122211033312212
52242420224000110
6100114045420530
75460313335645
oct1113245176646
9245421813440
1078829125030
1130481a93417
121333b86a746
13758369a2a6
143b5b46b35c
1520b57d7bc0
hex125a94fda6

78829125030 has 24 divisors (see below), whose sum is σ = 204955725312. Its totient is φ = 21021099984.

The previous prime is 78829125017. The next prime is 78829125059. The reversal of 78829125030 is 3052192887.

It is a happy number.

78829125030 is a `hidden beast` number, since 7 + 88 + 291 + 250 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 437939494 + ... + 437939673.

It is an arithmetic number, because the mean of its divisors is an integer number (8539821888).

Almost surely, 278829125030 is an apocalyptic number.

78829125030 is an abundant number, since it is smaller than the sum of its proper divisors (126126600282).

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

78829125030 is a wasteful number, since it uses less digits than its factorization.

78829125030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875879180 (or 875879177 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 78829125030 in words is "seventy-eight billion, eight hundred twenty-nine million, one hundred twenty-five thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 875879167 1751758334 2627637501 4379395835 5255275002 7882912503 8758791670 13138187505 15765825006 26276375010 39414562515 78829125030