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3885749746660 = 225194287487333
BaseRepresentation
bin111000100010111000101…
…110111011101111100100
3111202110210120200111001201
4320202320232323233210
51002131003413343120
612133031102332244
7550510333610365
oct70427056735744
914673716614051
103885749746660
111268a344812a1
1252910188a084
13222569ba9332
14d60dd8a1b6c
156b125ba840a
hex388b8bbbbe4

3885749746660 has 12 divisors (see below), whose sum is σ = 8160074468028. Its totient is φ = 1554299898656.

The previous prime is 3885749746631. The next prime is 3885749746673. The reversal of 3885749746660 is 666479475883.

It can be written as a sum of positive squares in 2 ways, for example, as 2255475326976 + 1630274419684 = 1501824^2 + 1276822^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97143743647 + ... + 97143743686.

It is an arithmetic number, because the mean of its divisors is an integer number (680006205669).

Almost surely, 23885749746660 is an apocalyptic number.

It is an amenable number.

3885749746660 is an abundant number, since it is smaller than the sum of its proper divisors (4274324721368).

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

3885749746660 is a wasteful number, since it uses less digits than its factorization.

3885749746660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194287487342 (or 194287487340 counting only the distinct ones).

The product of its (nonzero) digits is 1463132160, while the sum is 73.

The spelling of 3885749746660 in words is "three trillion, eight hundred eighty-five billion, seven hundred forty-nine million, seven hundred forty-six thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 194287487333 388574974666 777149949332 971437436665 1942874873330 3885749746660