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42488866446 = 23131015393357
BaseRepresentation
bin100111100100100010…
…001010011010001110
311001200010022001102020
4213210202022122032
51144004122211241
631304043511010
73032625256125
oct474442123216
9131603261366
1042488866446
1117023948264
128299528466
1340118b41c0
1420b0d60abc
15118a263b66
hex9e488a68e

42488866446 has 32 divisors (see below), whose sum is σ = 92420582688. Its totient is φ = 12944054400.

The previous prime is 42488866429. The next prime is 42488866457. The reversal of 42488866446 is 64466888424.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42488866446.

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, 2688801 + ... + 2704556.

It is an arithmetic number, because the mean of its divisors is an integer number (2888143209).

Almost surely, 242488866446 is an apocalyptic number.

42488866446 is an abundant number, since it is smaller than the sum of its proper divisors (49931716242).

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

42488866446 is a wasteful number, since it uses less digits than its factorization.

42488866446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5393476.

The product of its digits is 56623104, while the sum is 60.

The spelling of 42488866446 in words is "forty-two billion, four hundred eighty-eight million, eight hundred sixty-six thousand, four hundred forty-six".

Divisors: 1 2 3 6 13 26 39 78 101 202 303 606 1313 2626 3939 7878 5393357 10786714 16180071 32360142 70113641 140227282 210340923 420681846 544729057 1089458114 1634187171 3268374342 7081477741 14162955482 21244433223 42488866446