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83437609423 = 773163282993
BaseRepresentation
bin100110110110101000…
…1001110000111001111
321222100220120201121111
41031231101032013033
52331340012000143
6102155233312451
76012442656340
oct1155521160717
9258326521544
1083437609423
113242739aa03
1214207105727
137b3939832c
1440775360c7
1522851a499d
hex136d44e1cf

83437609423 has 8 divisors (see below), whose sum is σ = 96663532448. Its totient is φ = 70538252544.

The previous prime is 83437609421. The next prime is 83437609429. The reversal of 83437609423 is 32490673438.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83437609423 - 21 = 83437609421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83437609421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81640986 + ... + 81642007.

It is an arithmetic number, because the mean of its divisors is an integer number (12082941556).

Almost surely, 283437609423 is an apocalyptic number.

83437609423 is a deficient number, since it is larger than the sum of its proper divisors (13225923025).

83437609423 is a wasteful number, since it uses less digits than its factorization.

83437609423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163283073.

The product of its (nonzero) digits is 2612736, while the sum is 49.

The spelling of 83437609423 in words is "eighty-three billion, four hundred thirty-seven million, six hundred nine thousand, four hundred twenty-three".

Divisors: 1 7 73 511 163282993 1142980951 11919658489 83437609423