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2504115020 = 2251111382341
BaseRepresentation
bin1001010101000001…
…1100001101001100
320110111221020000202
42111100130031030
520112023140040
61052251513032
7116024424611
oct22520341514
96414836022
102504115020
111075564750
1259a758778
1330ba40484
1419a802508
15e9c90015
hex9541c34c

2504115020 has 24 divisors (see below), whose sum is σ = 5736700368. Its totient is φ = 910587200.

The previous prime is 2504114983. The next prime is 2504115023. The reversal of 2504115020 is 205114052.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2504114983 and 2504115001.

It is not an unprimeable number, because it can be changed into a prime (2504115023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5690951 + ... + 5691390.

It is an arithmetic number, because the mean of its divisors is an integer number (239029182).

Almost surely, 22504115020 is an apocalyptic number.

2504115020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2504115020 is an abundant number, since it is smaller than the sum of its proper divisors (3232585348).

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

2504115020 is a wasteful number, since it uses less digits than its factorization.

2504115020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11382361 (or 11382359 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2504115020 is about 50041.1332805323. The cubic root of 2504115020 is about 1357.9530589512.

Adding to 2504115020 its reverse (205114052), we get a palindrome (2709229072).

The spelling of 2504115020 in words is "two billion, five hundred four million, one hundred fifteen thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 11382341 22764682 45529364 56911705 113823410 125205751 227646820 250411502 500823004 626028755 1252057510 2504115020