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74856168905 = 575209410587
BaseRepresentation
bin100010110110111000…
…1100111110111001001
321011012212002101021012
41011231301213313021
52211301134401110
654215523253305
75260001636330
oct1055561476711
9234185071235
1074856168905
11298233a0701
121261121a235
13709c55718b
1438a1956d17
151e31b05905
hex116dc67dc9

74856168905 has 16 divisors (see below), whose sum is σ = 102679847040. Its totient is φ = 51319965312.

The previous prime is 74856168869. The next prime is 74856168917. The reversal of 74856168905 is 50986165847.

It is a happy number.

It is not a de Polignac number, because 74856168905 - 28 = 74856168649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22979 + ... + 387608.

It is an arithmetic number, because the mean of its divisors is an integer number (6417490440).

Almost surely, 274856168905 is an apocalyptic number.

It is an amenable number.

74856168905 is a deficient number, since it is larger than the sum of its proper divisors (27823678135).

74856168905 is a wasteful number, since it uses less digits than its factorization.

74856168905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415808.

The product of its (nonzero) digits is 14515200, while the sum is 59.

The spelling of 74856168905 in words is "seventy-four billion, eight hundred fifty-six million, one hundred sixty-eight thousand, nine hundred five".

Divisors: 1 5 7 35 5209 26045 36463 182315 410587 2052935 2874109 14370545 2138747683 10693738415 14971233781 74856168905