Search a number
-
+
23849952369 = 319677961723
BaseRepresentation
bin10110001101100100…
…010110010001110001
32021120010220010001020
4112031210112101301
5342321041433434
614542335130053
71503011151555
oct261544262161
967503803036
1023849952369
11a129749241
124757373929
1323311b1869
14122373b865
15948c52849
hex58d916471

23849952369 has 16 divisors (see below), whose sum is σ = 33479097600. Its totient is φ = 15060661776.

The previous prime is 23849952367. The next prime is 23849952389. The reversal of 23849952369 is 96325994832.

It is not a de Polignac number, because 23849952369 - 21 = 23849952367 is a prime.

It is a super-2 number, since 2×238499523692 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23849952361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355542 + ... + 417264.

It is an arithmetic number, because the mean of its divisors is an integer number (2092443600).

Almost surely, 223849952369 is an apocalyptic number.

It is an amenable number.

23849952369 is a deficient number, since it is larger than the sum of its proper divisors (9629145231).

23849952369 is a wasteful number, since it uses less digits than its factorization.

23849952369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68524.

The product of its digits is 25194240, while the sum is 60.

The spelling of 23849952369 in words is "twenty-three billion, eight hundred forty-nine million, nine hundred fifty-two thousand, three hundred sixty-nine".

Divisors: 1 3 19 57 6779 20337 61723 128801 185169 386403 1172737 3518211 418420217 1255260651 7949984123 23849952369