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42398820472 = 236721180631
BaseRepresentation
bin100111011111001010…
…101010100001111000
311001102211212020120011
4213133022222201320
51143313044223342
631251105511304
73030453012331
oct473712524170
9131384766504
1042398820472
1116a880353a8
128273342534
133cc9047368
1420a3001288
1511823c8717
hex9df2aa878

42398820472 has 24 divisors (see below), whose sum is σ = 80702100360. Its totient is φ = 20882983440.

The previous prime is 42398820427. The next prime is 42398820481. The reversal of 42398820472 is 27402889324.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 554404 + ... + 626227.

It is an arithmetic number, because the mean of its divisors is an integer number (3362587515).

Almost surely, 242398820472 is an apocalyptic number.

It is an amenable number.

42398820472 is a deficient number, since it is larger than the sum of its proper divisors (38303279888).

42398820472 is a wasteful number, since it uses less digits than its factorization.

42398820472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180771 (or 1180700 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 42398820472 in words is "forty-two billion, three hundred ninety-eight million, eight hundred twenty thousand, four hundred seventy-two".

Divisors: 1 2 4 8 67 134 268 536 4489 8978 17956 35912 1180631 2361262 4722524 9445048 79102277 158204554 316409108 632818216 5299852559 10599705118 21199410236 42398820472