Search a number
-
+
23740685279 = 7124709519
BaseRepresentation
bin10110000111000011…
…100001101111011111
32021021112021202202222
4112013003201233133
5342110103412104
614523433135555
71500213331613
oct260703415737
967245252688
1023740685279
11a082aa8263
12472685a5bb
132314674c8c
141213017343
1593e36c1be
hex5870e1bdf

23740685279 has 6 divisors (see below), whose sum is σ = 24079775760. Its totient is φ = 23406304460.

The previous prime is 23740685263. The next prime is 23740685281. The reversal of 23740685279 is 97258604732.

It is not a de Polignac number, because 23740685279 - 24 = 23740685263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23740685279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23740685219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2349719 + ... + 2359800.

It is an arithmetic number, because the mean of its divisors is an integer number (4013295960).

Almost surely, 223740685279 is an apocalyptic number.

23740685279 is a deficient number, since it is larger than the sum of its proper divisors (339090481).

23740685279 is an frugal number, since it uses more digits than its factorization.

23740685279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4709661 (or 4709590 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 23740685279 in words is "twenty-three billion, seven hundred forty million, six hundred eighty-five thousand, two hundred seventy-nine".

Divisors: 1 71 5041 4709519 334375849 23740685279