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12175113073 = 31478356289
BaseRepresentation
bin10110101011011000…
…10111101101110001
31011102111121211022211
423111230113231301
5144413312104243
65332042532121
7610465516324
oct132554275561
934374554284
1012175113073
115188596722
122439507041
1311c0517226
14836da27bb
154b3d10d9d
hex2d5b17b71

12175113073 has 8 divisors (see below), whose sum is σ = 12835261440. Its totient is φ = 11531677440.

The previous prime is 12175113053. The next prime is 12175113103. The reversal of 12175113073 is 37031157121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12175113073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12175113053) 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, 4176688 + ... + 4179601.

It is an arithmetic number, because the mean of its divisors is an integer number (1604407680).

Almost surely, 212175113073 is an apocalyptic number.

It is an amenable number.

12175113073 is a deficient number, since it is larger than the sum of its proper divisors (660148367).

12175113073 is an equidigital number, since it uses as much as digits as its factorization.

12175113073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8356367.

The product of its (nonzero) digits is 4410, while the sum is 31.

The spelling of 12175113073 in words is "twelve billion, one hundred seventy-five million, one hundred thirteen thousand, seventy-three".

Divisors: 1 31 47 1457 8356289 259044959 392745583 12175113073