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2071342381938 = 231979431533633
BaseRepresentation
bin11110001001000101101…
…000000111101101110010
321100000111102010100200020
4132021011220013231302
5232414102122210223
64223321143504310
7302435536513464
oct36110550075562
97300442110606
102071342381938
117294a6858315
12295534458096
13120432b3575b
147237989a134
1538d313a11e3
hex1e245a07b72

2071342381938 has 64 divisors (see below), whose sum is σ = 4426173849600. Its totient is φ = 644328622080.

The previous prime is 2071342381931. The next prime is 2071342381963. The reversal of 2071342381938 is 8391832431702.

It is not an unprimeable number, because it can be changed into a prime (2071342381931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3614770 + ... + 4148402.

It is an arithmetic number, because the mean of its divisors is an integer number (69158966400).

Almost surely, 22071342381938 is an apocalyptic number.

2071342381938 is an abundant number, since it is smaller than the sum of its proper divisors (2354831467662).

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

2071342381938 is a wasteful number, since it uses less digits than its factorization.

2071342381938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534167.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 2071342381938 in words is "two trillion, seventy-one billion, three hundred forty-two million, three hundred eighty-one thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 19 38 57 79 114 158 237 431 474 862 1293 1501 2586 3002 4503 8189 9006 16378 24567 34049 49134 68098 102147 204294 533633 646931 1067266 1293862 1600899 1940793 3201798 3881586 10139027 20278054 30417081 42157007 60834162 84314014 126471021 229995823 252942042 459991646 689987469 800983133 1379974938 1601966266 2402949399 4369920637 4805898798 8739841274 13109761911 18169670017 26219523822 36339340034 54509010051 109018020102 345223730323 690447460646 1035671190969 2071342381938