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83421291675 = 3521318784347
BaseRepresentation
bin100110110110001001…
…0111110010010011011
321222022202212200212110
41031230102332102123
52331321322313200
6102153451443403
76012154164621
oct1155422762233
9258282780773
1083421291675
1132419165167
1214201756563
137b35ba3c67
1440752c9511
152283a2eb50
hex136c4be49b

83421291675 has 24 divisors (see below), whose sum is σ = 137935296576. Its totient is φ = 44487454240.

The previous prime is 83421291637. The next prime is 83421291697. The reversal of 83421291675 is 57619212438.

It is not a de Polignac number, because 83421291675 - 213 = 83421283483 is a prime.

It is a super-2 number, since 2×834212916752 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 946852 + ... + 1031198.

It is an arithmetic number, because the mean of its divisors is an integer number (5747304024).

Almost surely, 283421291675 is an apocalyptic number.

83421291675 is a deficient number, since it is larger than the sum of its proper divisors (54514004901).

83421291675 is a wasteful number, since it uses less digits than its factorization.

83421291675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97547 (or 97542 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The spelling of 83421291675 in words is "eighty-three billion, four hundred twenty-one million, two hundred ninety-one thousand, six hundred seventy-five".

Divisors: 1 3 5 15 25 75 13187 39561 65935 84347 197805 253041 329675 421735 989025 1265205 2108675 6326025 1112283889 3336851667 5561419445 16684258335 27807097225 83421291675