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2313979613623 = 19121788400717
BaseRepresentation
bin100001101011000011111…
…011101101000110110111
322012012210012212211102201
4201223003323231012313
5300403012240113443
64531005541445331
7326115400120426
oct41530373550667
98165705784381
102313979613623
11812398191777
1231456b110847
1313a2906b48b2
147ddd64bd2bd
15402d2ae434d
hex21ac3eed1b7

2313979613623 has 4 divisors (see below), whose sum is σ = 2435768014360. Its totient is φ = 2192191212888.

The previous prime is 2313979613587. The next prime is 2313979613633. The reversal of 2313979613623 is 3263169793132.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2313979613623 - 221 = 2313977516471 is a prime.

It is a super-2 number, since 2×23139796136232 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2313979613633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60894200340 + ... + 60894200377.

It is an arithmetic number, because the mean of its divisors is an integer number (608942003590).

Almost surely, 22313979613623 is an apocalyptic number.

2313979613623 is a deficient number, since it is larger than the sum of its proper divisors (121788400737).

2313979613623 is a wasteful number, since it uses less digits than its factorization.

2313979613623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121788400736.

The product of its digits is 6613488, while the sum is 55.

The spelling of 2313979613623 in words is "two trillion, three hundred thirteen billion, nine hundred seventy-nine million, six hundred thirteen thousand, six hundred twenty-three".

Divisors: 1 19 121788400717 2313979613623