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12357241091 = 137487126961
BaseRepresentation
bin10111000001000110…
…01000100100000011
31011220012022212222222
423200203020210003
5200301423203331
65402110321255
7615136546646
oct134043104403
934805285888
1012357241091
115271382148
12248a4b922b
13121c1848a0
14853251a5d
154c4cd9b7b
hex2e08c8903

12357241091 has 8 divisors (see below), whose sum is σ = 13309680384. Its totient is φ = 11405070720.

The previous prime is 12357240997. The next prime is 12357241121. The reversal of 12357241091 is 19014275321.

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-12357241091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12357241291) 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, 33851 + ... + 160811.

It is an arithmetic number, because the mean of its divisors is an integer number (1663710048).

Almost surely, 212357241091 is an apocalyptic number.

12357241091 is a deficient number, since it is larger than the sum of its proper divisors (952439293).

12357241091 is a wasteful number, since it uses less digits than its factorization.

12357241091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134461.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 12357241091 in words is "twelve billion, three hundred fifty-seven million, two hundred forty-one thousand, ninety-one".

Divisors: 1 13 7487 97331 126961 1650493 950557007 12357241091