Search a number
-
+
23102023128 = 233962584297
BaseRepresentation
bin10101100000111111…
…001110010111011000
32012122000112101000020
4111200333032113120
5334303104220003
614340220310440
71445326646052
oct254077162730
965560471006
1023102023128
1198855429a8
1245889a2420
132242260792
1411922888d2
15903263d53
hex560fce5d8

23102023128 has 16 divisors (see below), whose sum is σ = 57755057880. Its totient is φ = 7700674368.

The previous prime is 23102023127. The next prime is 23102023157. The reversal of 23102023128 is 82132020132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 962584297 = 23102023128 / (2 + 3 + 1 + 0 + 2 + 0 + 2 + 3 + 1 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 23102023098 and 23102023107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23102023121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481292125 + ... + 481292172.

Almost surely, 223102023128 is an apocalyptic number.

It is an amenable number.

23102023128 is an abundant number, since it is smaller than the sum of its proper divisors (34653034752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23102023128 is a wasteful number, since it uses less digits than its factorization.

23102023128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962584306 (or 962584302 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 23102023128 in words is "twenty-three billion, one hundred two million, twenty-three thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 962584297 1925168594 2887752891 3850337188 5775505782 7700674376 11551011564 23102023128