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78904413000 = 23325371252451
BaseRepresentation
bin100100101111100010…
…0011100101101001000
321112122222120111011200
41021133010130231020
52243044012204000
6100125335224200
75462216305260
oct1113704345510
9245588514150
1078904413000
1130510536386
1213360b18060
13759616a99a
143b674687a0
1520bc20a500
hex125f11cb48

78904413000 has 192 divisors, whose sum is σ = 304796718720. Its totient is φ = 18035280000.

The previous prime is 78904412981. The next prime is 78904413023. The reversal of 78904413000 is 31440987.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 563226 + ... + 689225.

It is an arithmetic number, because the mean of its divisors is an integer number (1587482910).

Almost surely, 278904413000 is an apocalyptic number.

78904413000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

78904413000 is an abundant number, since it is smaller than the sum of its proper divisors (225892305720).

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

78904413000 is a wasteful number, since it uses less digits than its factorization.

78904413000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252485 (or 1252468 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

Adding to 78904413000 its reverse (31440987), we get a palindrome (78935853987).

The spelling of 78904413000 in words is "seventy-eight billion, nine hundred four million, four hundred thirteen thousand".