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42431120620236 = 22321178642239451
BaseRepresentation
bin10011010010111010000111…
…10111110011101011001100
312120020101010202021112121200
421221131003313303223030
521030142413334321421
6230124330540225500
711636355503256045
oct1151350367635314
9176211122245550
1042431120620236
1112579a3445a907
12491352853b290
131a8a311a5274a
14a6996a3218cc
154d8ae67c7726
hex269743df3acc

42431120620236 has 18 divisors (see below), whose sum is σ = 107256443790132. Its totient is φ = 14143706873400.

The previous prime is 42431120620127. The next prime is 42431120620247. The reversal of 42431120620236 is 63202602113424.

42431120620236 is a `hidden beast` number, since 4 + 2 + 4 + 3 + 1 + 1 + 2 + 0 + 620 + 23 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1178642239451 = 42431120620236 / (4 + 2 + 4 + 3 + 1 + 1 + 2 + 0 + 6 + 2 + 0 + 2 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 42431120620236.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 589321119690 + ... + 589321119761.

It is an arithmetic number, because the mean of its divisors is an integer number (5958691321674).

Almost surely, 242431120620236 is an apocalyptic number.

It is an amenable number.

42431120620236 is an abundant number, since it is smaller than the sum of its proper divisors (64825323169896).

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

42431120620236 is a wasteful number, since it uses less digits than its factorization.

42431120620236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178642239461 (or 1178642239456 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 42431120620236 in words is "forty-two trillion, four hundred thirty-one billion, one hundred twenty million, six hundred twenty thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 9 12 18 36 1178642239451 2357284478902 3535926718353 4714568957804 7071853436706 10607780155059 14143706873412 21215560310118 42431120620236