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12312312100213 = 191669388266283
BaseRepresentation
bin1011001100101010111011…
…1111010011010101110101
31121121001020012101121220011
42303022232333103111311
53103211103344201323
642104110442140221
72410351400035636
oct263125677232565
947531205347804
1012312312100213
113a17693221234
12146a2604b1671
136b407a229598
14307cc1d8188d
1516541144e20d
hexb32aefd3575

12312312100213 has 8 divisors (see below), whose sum is σ = 12968093885600. Its totient is φ = 11657306850768.

The previous prime is 12312312100199. The next prime is 12312312100229. The reversal of 12312312100213 is 31200121321321.

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-12312312100213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312312100273) 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, 194101431 + ... + 194164852.

It is an arithmetic number, because the mean of its divisors is an integer number (1621011735700).

Almost surely, 212312312100213 is an apocalyptic number.

It is an amenable number.

12312312100213 is a deficient number, since it is larger than the sum of its proper divisors (655781785387).

12312312100213 is a wasteful number, since it uses less digits than its factorization.

12312312100213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388267971.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12312312100213 its reverse (31200121321321), we get a palindrome (43512433421534).

The spelling of 12312312100213 in words is "twelve trillion, three hundred twelve billion, three hundred twelve million, one hundred thousand, two hundred thirteen".

Divisors: 1 19 1669 31711 388266283 7377059377 648016426327 12312312100213