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42970511338 = 285325187873
BaseRepresentation
bin101000000001001111…
…011111011111101010
311002220200121010222221
4220001033133133222
51201000422330323
631423531104254
73050564214466
oct500117373752
9132820533887
1042970511338
1117250808197
1283b28a208a
13408a610791
142118cd94a6
1511b76a355d
hexa013df7ea

42970511338 has 8 divisors (see below), whose sum is σ = 64531333188. Its totient is φ = 21460066944.

The previous prime is 42970511333. The next prime is 42970511387. The reversal of 42970511338 is 83311507924.

It can be written as a sum of positive squares in 2 ways, for example, as 41895130489 + 1075380849 = 204683^2 + 32793^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42970511294 and 42970511303.

It is not an unprimeable number, because it can be changed into a prime (42970511333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12592231 + ... + 12595642.

Almost surely, 242970511338 is an apocalyptic number.

42970511338 is a deficient number, since it is larger than the sum of its proper divisors (21560821850).

42970511338 is a wasteful number, since it uses less digits than its factorization.

42970511338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25188728.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 42970511338 in words is "forty-two billion, nine hundred seventy million, five hundred eleven thousand, three hundred thirty-eight".

Divisors: 1 2 853 1706 25187873 50375746 21485255669 42970511338