Search a number
-
+
23786432493 = 373151719297
BaseRepresentation
bin10110001001110010…
…000010011111101101
32021101201100222011020
4112021302002133231
5342203311314433
614532145444353
71501310224455
oct261162023755
967351328136
1023786432493
11a0a690387a
12473a0406b9
132320ca1735
141219124d65
159433a6cb3
hex589c827ed

23786432493 has 16 divisors (see below), whose sum is σ = 32362655616. Its totient is φ = 15536793600.

The previous prime is 23786432473. The next prime is 23786432503. The reversal of 23786432493 is 39423468732.

It is not a de Polignac number, because 23786432493 - 28 = 23786432237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23786432473) 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, 326580 + ... + 392717.

It is an arithmetic number, because the mean of its divisors is an integer number (2022665976).

Almost surely, 223786432493 is an apocalyptic number.

It is an amenable number.

23786432493 is a deficient number, since it is larger than the sum of its proper divisors (8576223123).

23786432493 is a wasteful number, since it uses less digits than its factorization.

23786432493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719524.

The product of its digits is 5225472, while the sum is 51.

The spelling of 23786432493 in words is "twenty-three billion, seven hundred eighty-six million, four hundred thirty-two thousand, four hundred ninety-three".

Divisors: 1 3 73 151 219 453 11023 33069 719297 2157891 52508681 108613847 157526043 325841541 7928810831 23786432493