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2013525000 = 23335519157
BaseRepresentation
bin111100000000011…
…1111010000001000
312012022210200001000
41320000333100020
513110430300000
6531444455000
7100616452164
oct17000772010
95168720030
102013525000
11943645153
124823aa460
13261201516
141515b9ca4
15bbb85000
hex7803f408

2013525000 has 384 divisors, whose sum is σ = 7405776000. Its totient is φ = 505440000.

The previous prime is 2013524993. The next prime is 2013525011. The reversal of 2013525000 is 5253102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12824922 + ... + 12825078.

It is an arithmetic number, because the mean of its divisors is an integer number (19285875).

Almost surely, 22013525000 is an apocalyptic number.

2013525000 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 2013525000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3702888000).

2013525000 is an abundant number, since it is smaller than the sum of its proper divisors (5392251000).

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

2013525000 is a wasteful number, since it uses less digits than its factorization.

2013525000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2013525000 is about 44872.3188614094. The cubic root of 2013525000 is about 1262.7547438765.

Adding to 2013525000 its reverse (5253102), we get a palindrome (2018778102).

The spelling of 2013525000 in words is "two billion, thirteen million, five hundred twenty-five thousand".