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74969842496 = 2619311988801
BaseRepresentation
bin100010111010010001…
…1010000001101000000
321011111202222121010012
41011310203100031000
52212014234424441
654235103524052
75262552101243
oct1056443201500
9234452877105
1074969842496
112988158131a
12126432b9628
1370b9c77663
1438b2aa725a
151e3baab9eb
hex11748d0340

74969842496 has 56 divisors (see below), whose sum is σ = 161649826560. Its totient is φ = 34366464000.

The previous prime is 74969842447. The next prime is 74969842499. The reversal of 74969842496 is 69424896947.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74969842499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 956705 + ... + 1032096.

Almost surely, 274969842496 is an apocalyptic number.

74969842496 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

74969842496 is an abundant number, since it is smaller than the sum of its proper divisors (86679984064).

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

74969842496 is a wasteful number, since it uses less digits than its factorization.

74969842496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988863 (or 1988853 counting only the distinct ones).

The product of its digits is 188116992, while the sum is 68.

The spelling of 74969842496 in words is "seventy-four billion, nine hundred sixty-nine million, eight hundred forty-two thousand, four hundred ninety-six".

Divisors: 1 2 4 8 16 19 31 32 38 62 64 76 124 152 248 304 496 589 608 992 1178 1216 1984 2356 4712 9424 18848 37696 1988801 3977602 7955204 15910408 31820816 37787219 61652831 63641632 75574438 123305662 127283264 151148876 246611324 302297752 493222648 604595504 986445296 1171403789 1209191008 1972890592 2342807578 2418382016 3945781184 4685615156 9371230312 18742460624 37484921248 74969842496