Search a number
-
+
15253114420 = 225762655721
BaseRepresentation
bin11100011010010100…
…00000111000110100
31110101000102111101201
432031022000320310
5222214244130140
611001315102244
71046662222225
oct161512007064
943330374351
1015253114420
116517a92695
122b582a1984
13159110c1bb
14a49ab124c
155e416149a
hex38d280e34

15253114420 has 12 divisors (see below), whose sum is σ = 32031540324. Its totient is φ = 6101245760.

The previous prime is 15253114381. The next prime is 15253114441. The reversal of 15253114420 is 2441135251.

It can be written as a sum of positive squares in 2 ways, for example, as 9383409424 + 5869704996 = 96868^2 + 76614^2 .

It is a super-2 number, since 2×152531144202 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381327841 + ... + 381327880.

It is an arithmetic number, because the mean of its divisors is an integer number (2669295027).

Almost surely, 215253114420 is an apocalyptic number.

15253114420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15253114420 is an abundant number, since it is smaller than the sum of its proper divisors (16778425904).

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

15253114420 is a wasteful number, since it uses less digits than its factorization.

15253114420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762655730 (or 762655728 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 15253114420 its reverse (2441135251), we get a palindrome (17694249671).

The spelling of 15253114420 in words is "fifteen billion, two hundred fifty-three million, one hundred fourteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 762655721 1525311442 3050622884 3813278605 7626557210 15253114420