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12379898097 = 327238543753
BaseRepresentation
bin10111000011110011…
…00100000011110001
31011221202221222120100
423201321210003301
5200323223214342
65404240103013
7615533253240
oct134171440361
934852858510
1012379898097
115283147746
122496004a69
131223a884b8
1485626c957
154c6cb2e4c
hex2e1e640f1

12379898097 has 24 divisors (see below), whose sum is σ = 21325209984. Its totient is φ = 6766651584.

The previous prime is 12379898093. The next prime is 12379898129. The reversal of 12379898097 is 79089897321.

It is not a de Polignac number, because 12379898097 - 22 = 12379898093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (12379898093) 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, 4270428 + ... + 4273325.

It is an arithmetic number, because the mean of its divisors is an integer number (888550416).

Almost surely, 212379898097 is an apocalyptic number.

It is an amenable number.

12379898097 is a deficient number, since it is larger than the sum of its proper divisors (8945311887).

12379898097 is a wasteful number, since it uses less digits than its factorization.

12379898097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8543789 (or 8543786 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 63.

The spelling of 12379898097 in words is "twelve billion, three hundred seventy-nine million, eight hundred ninety-eight thousand, ninety-seven".

Divisors: 1 3 7 9 21 23 63 69 161 207 483 1449 8543753 25631259 59806271 76893777 179418813 196506319 538256439 589518957 1375544233 1768556871 4126632699 12379898097