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157885241339720 = 23520811896747253
BaseRepresentation
bin100011111001100010000101…
…101110011010111101001000
3202201000200101221012020012202
4203321202011232122331020
5131143242433240332340
61315443251211455332
745153555315230216
oct4371420556327510
9681020357166182
10157885241339720
11463418337494a4
121585b273a57548
136a1368c10415b
142adb9878b7cb6
15133be56618c15
hex8f9885b9af48

157885241339720 has 32 divisors (see below), whose sum is σ = 355412500454520. Its totient is φ = 63123748546560.

The previous prime is 157885241339699. The next prime is 157885241339759. The reversal of 157885241339720 is 27933142588751.

157885241339720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 76805697820996 + 81079543518724 = 8763886^2 + 9004418^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 948290387 + ... + 948456866.

Almost surely, 2157885241339720 is an apocalyptic number.

157885241339720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157885241339720 is an abundant number, since it is smaller than the sum of its proper divisors (197527259114800).

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

157885241339720 is a wasteful number, since it uses less digits than its factorization.

157885241339720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896749345 (or 1896749341 counting only the distinct ones).

The product of its (nonzero) digits is 101606400, while the sum is 65.

The spelling of 157885241339720 in words is "one hundred fifty-seven trillion, eight hundred eighty-five billion, two hundred forty-one million, three hundred thirty-nine thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 2081 4162 8324 10405 16648 20810 41620 83240 1896747253 3793494506 7586989012 9483736265 15173978024 18967472530 37934945060 75869890120 3947131033493 7894262066986 15788524133972 19735655167465 31577048267944 39471310334930 78942620669860 157885241339720