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42417677902 = 221208838951
BaseRepresentation
bin100111100000010010…
…100110011001001110
311001111011100022002111
4213200102212121032
51143332411143102
631253022014234
73031102212265
oct474022463116
9131434308074
1042417677902
1116a97745256
12827971737a
133cccc1a6c2
1420a570d5dc
151183da0cd7
hex9e04a664e

42417677902 has 4 divisors (see below), whose sum is σ = 63626516856. Its totient is φ = 21208838950.

The previous prime is 42417677873. The next prime is 42417677999. The reversal of 42417677902 is 20977671424.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10604419474 + ... + 10604419477.

It is an arithmetic number, because the mean of its divisors is an integer number (15906629214).

Almost surely, 242417677902 is an apocalyptic number.

42417677902 is a deficient number, since it is larger than the sum of its proper divisors (21208838954).

42417677902 is a wasteful number, since it uses less digits than its factorization.

42417677902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21208838953.

The product of its (nonzero) digits is 1185408, while the sum is 49.

The spelling of 42417677902 in words is "forty-two billion, four hundred seventeen million, six hundred seventy-seven thousand, nine hundred two".

Divisors: 1 2 21208838951 42417677902