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3842087438817 = 35109145055591
BaseRepresentation
bin110111111010001110010…
…000011100100111100001
3111121022002200100102200000
4313322032100130213201
51000422043341020232
612101010335450213
7544403336246265
oct67721620344741
914538080312600
103842087438817
111251469218161
12520757386969
1321b3cc16c414
14d3d5ab660a5
1569e1c90327c
hex37e8e41c9e1

3842087438817 has 24 divisors (see below), whose sum is σ = 5808025903680. Its totient is φ = 2537892602640.

The previous prime is 3842087438773. The next prime is 3842087438909. The reversal of 3842087438817 is 7188347802483.

It is a happy number.

3842087438817 is a `hidden beast` number, since 3 + 8 + 42 + 0 + 87 + 438 + 81 + 7 = 666.

It is not a de Polignac number, because 3842087438817 - 215 = 3842087406049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3842087448817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72501309 + ... + 72554282.

It is an arithmetic number, because the mean of its divisors is an integer number (242001079320).

Almost surely, 23842087438817 is an apocalyptic number.

It is an amenable number.

3842087438817 is a deficient number, since it is larger than the sum of its proper divisors (1965938464863).

3842087438817 is a wasteful number, since it uses less digits than its factorization.

3842087438817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145055715 (or 145055703 counting only the distinct ones).

The product of its (nonzero) digits is 57802752, while the sum is 63.

The spelling of 3842087438817 in words is "three trillion, eight hundred forty-two billion, eighty-seven million, four hundred thirty-eight thousand, eight hundred seventeen".

Divisors: 1 3 9 27 81 109 243 327 981 2943 8829 26487 145055591 435166773 1305500319 3916500957 11749502871 15811059419 35248508613 47433178257 142299534771 426898604313 1280695812939 3842087438817