Search a number
-
+
23971013941 = 717992920593
BaseRepresentation
bin10110010100110010…
…001010010100110101
32021212120200200022011
4112110302022110311
5343043034421231
615002342004221
71506011154010
oct262462122465
967776620264
1023971013941
11a191015626
12478ba16671
1323502baa24
141235852377
159546b79b1
hex594c8a535

23971013941 has 16 divisors (see below), whose sum is σ = 27579484800. Its totient is φ = 20408813568.

The previous prime is 23971013939. The next prime is 23971013959. The reversal of 23971013941 is 14931017932.

It is a cyclic number.

It is not a de Polignac number, because 23971013941 - 21 = 23971013939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23971013894 and 23971013903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23971053941) 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, 1153741 + ... + 1174333.

It is an arithmetic number, because the mean of its divisors is an integer number (1723717800).

Almost surely, 223971013941 is an apocalyptic number.

It is an amenable number.

23971013941 is a deficient number, since it is larger than the sum of its proper divisors (3608470859).

23971013941 is a wasteful number, since it uses less digits than its factorization.

23971013941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21708.

The product of its (nonzero) digits is 40824, while the sum is 40.

It can be divided in two parts, 2397101 and 3941, that added together give a palindrome (2401042).

The spelling of 23971013941 in words is "twenty-three billion, nine hundred seventy-one million, thirteen thousand, nine hundred forty-one".

Divisors: 1 7 179 929 1253 6503 20593 144151 166291 1164037 3686147 19130897 25803029 133916279 3424430563 23971013941