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74949363775 = 52111320964857
BaseRepresentation
bin100010111001101010…
…1001000100000111111
321011110100110011121001
41011303111020200333
52211444014120100
654233052551131
75262213036436
oct1056325104077
9234410404531
1074949363775
1129870a64360
12126384824a7
1370b5957380
1438b009611d
151e39db3d6a
hex117354883f

74949363775 has 24 divisors (see below), whose sum is σ = 109184980464. Its totient is φ = 50315654400.

The previous prime is 74949363763. The next prime is 74949363791. The reversal of 74949363775 is 57736394947.

It is not a de Polignac number, because 74949363775 - 215 = 74949331007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10478854 + ... + 10486003.

It is an arithmetic number, because the mean of its divisors is an integer number (4549374186).

Almost surely, 274949363775 is an apocalyptic number.

74949363775 is a deficient number, since it is larger than the sum of its proper divisors (34235616689).

74949363775 is a wasteful number, since it uses less digits than its factorization.

74949363775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20964891 (or 20964886 counting only the distinct ones).

The product of its digits is 120022560, while the sum is 64.

The spelling of 74949363775 in words is "seventy-four billion, nine hundred forty-nine million, three hundred sixty-three thousand, seven hundred seventy-five".

Divisors: 1 5 11 13 25 55 65 143 275 325 715 3575 20964857 104824285 230613427 272543141 524121425 1153067135 1362715705 2997974551 5765335675 6813578525 14989872755 74949363775