Search a number
-
+
23103015425120 = 25517179233203653
BaseRepresentation
bin1010100000011000101110…
…00001110001010001100000
310000210121220212102120222102
411100030113001301101200
511012004433422100440
6121045213451425532
74603065154653251
oct520142701612140
9100717825376872
1023103015425120
1173a7a2aa05394
1227116291552a8
13cb77b3278897
1459c298874b28
152a0e68403b15
hex150317071460

23103015425120 has 192 divisors, whose sum is σ = 58364075689920. Its totient is φ = 8611853303808.

The previous prime is 23103015425099. The next prime is 23103015425153. The reversal of 23103015425120 is 2152451030132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113341214 + ... + 113544866.

It is an arithmetic number, because the mean of its divisors is an integer number (303979560885).

Almost surely, 223103015425120 is an apocalyptic number.

23103015425120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23103015425120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29182037844960).

23103015425120 is an abundant number, since it is smaller than the sum of its proper divisors (35261060264800).

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

23103015425120 is a wasteful number, since it uses less digits than its factorization.

23103015425120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204097 (or 204089 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 23103015425120 its reverse (2152451030132), we get a palindrome (25255466455252).

The spelling of 23103015425120 in words is "twenty-three trillion, one hundred three billion, fifteen million, four hundred twenty-five thousand, one hundred twenty".