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42864986097 = 3231396738729
BaseRepresentation
bin100111111010111100…
…111100011111110001
311002122100000220120200
4213322330330133301
51200241414023342
631405241225413
73045143240643
oct477274743761
9132570026520
1042864986097
11171a719254a
128383492269
1340717b40cb
142108caa893
1511ad2ab94c
hex9faf3c7f1

42864986097 has 24 divisors (see below), whose sum is σ = 63931146240. Its totient is φ = 27647144640.

The previous prime is 42864986083. The next prime is 42864986191. The reversal of 42864986097 is 79068946824.

42864986097 is a `hidden beast` number, since 4 + 2 + 86 + 498 + 60 + 9 + 7 = 666.

It is not a de Polignac number, because 42864986097 - 212 = 42864982001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42864986057) 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, 1087429 + ... + 1126157.

It is an arithmetic number, because the mean of its divisors is an integer number (2663797760).

Almost surely, 242864986097 is an apocalyptic number.

It is an amenable number.

42864986097 is a deficient number, since it is larger than the sum of its proper divisors (21066160143).

42864986097 is a wasteful number, since it uses less digits than its factorization.

42864986097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42733 (or 42730 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 42864986097 in words is "forty-two billion, eight hundred sixty-four million, nine hundred eighty-six thousand, ninety-seven".

Divisors: 1 3 9 31 93 279 3967 11901 35703 38729 116187 122977 348561 368931 1106793 1200599 3601797 10805391 153637943 460913829 1382741487 4762776233 14288328699 42864986097