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74953971796 = 221119611469801
BaseRepresentation
bin100010111001110011…
…0101101100001010100
321011110200010021121111
41011303212231201110
52212001204044141
654233335424404
75262300151054
oct1056346554124
9234420107544
1074953971796
1129873621440
1212639b25104
1370b68ab902
1438b0935564
151e3a4c4381
hex11739ad854

74953971796 has 48 divisors (see below), whose sum is σ = 153094576320. Its totient is φ = 31747680000.

The previous prime is 74953971749. The next prime is 74953971803. The reversal of 74953971796 is 69717935947.

It is a congruent number.

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, 683905 + ... + 785896.

It is an arithmetic number, because the mean of its divisors is an integer number (3189470340).

Almost surely, 274953971796 is an apocalyptic number.

74953971796 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

74953971796 is an abundant number, since it is smaller than the sum of its proper divisors (78140604524).

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

74953971796 is a wasteful number, since it uses less digits than its factorization.

74953971796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469896 (or 1469894 counting only the distinct ones).

The product of its digits is 90016920, while the sum is 67.

The spelling of 74953971796 in words is "seventy-four billion, nine hundred fifty-three million, nine hundred seventy-one thousand, seven hundred ninety-six".

Divisors: 1 2 4 11 19 22 38 44 61 76 122 209 244 418 671 836 1159 1342 2318 2684 4636 12749 25498 50996 1469801 2939602 5879204 16167811 27926219 32335622 55852438 64671244 89657861 111704876 179315722 307188409 358631444 614376818 986236471 1228753636 1703499359 1972472942 3406998718 3944945884 6813997436 18738492949 37476985898 74953971796