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742107127392 = 253217591464901
BaseRepresentation
bin10101100110010010000…
…10000001111001100000
32121221111201111002121200
422303021002001321200
544124313411034032
61324530323121200
7104421051334611
oct12631102017140
92557451432550
10742107127392
112667a9143734
12bb9aa213200
1354c98c34537
1427cbd695c08
1514485a6347c
hexacc9081e60

742107127392 has 72 divisors (see below), whose sum is σ = 2111568338880. Its totient is φ = 247228243200.

The previous prime is 742107127381. The next prime is 742107127423. The reversal of 742107127392 is 293721701247.

742107127392 is a `hidden beast` number, since 7 + 421 + 0 + 71 + 2 + 73 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×7421071273922 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225859 + ... + 1239042.

It is an arithmetic number, because the mean of its divisors is an integer number (29327338040).

Almost surely, 2742107127392 is an apocalyptic number.

742107127392 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

742107127392 is an abundant number, since it is smaller than the sum of its proper divisors (1369461211488).

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

742107127392 is a wasteful number, since it uses less digits than its factorization.

742107127392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466676 (or 1466665 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The spelling of 742107127392 in words is "seven hundred forty-two billion, one hundred seven million, one hundred twenty-seven thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 1759 3518 5277 7036 10554 14072 15831 21108 28144 31662 42216 56288 63324 84432 126648 168864 253296 506592 1464901 2929802 4394703 5859604 8789406 11719208 13184109 17578812 23438416 26368218 35157624 46876832 52736436 70315248 105472872 140630496 210945744 421891488 2576760859 5153521718 7730282577 10307043436 15460565154 20614086872 23190847731 30921130308 41228173744 46381695462 61842260616 82456347488 92763390924 123684521232 185526781848 247369042464 371053563696 742107127392