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25004314020 = 2235759534081
BaseRepresentation
bin10111010010010111…
…111000110110100100
32101112121000202112110
4113102113320312210
5402202101022040
615253053121020
71543426106460
oct272227706644
971477022473
1025004314020
11a671313234
124a19a89170
1324863b6caa
1412d2b8b4a0
159b5275980
hex5d25f8da4

25004314020 has 48 divisors (see below), whose sum is σ = 80013806208. Its totient is φ = 5715271680.

The previous prime is 25004314003. The next prime is 25004314021. The reversal of 25004314020 is 2041340052.

It is a super-2 number, since 2×250043140202 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (25004314021) 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 15 ways as a sum of consecutive naturals, for example, 29766621 + ... + 29767460.

It is an arithmetic number, because the mean of its divisors is an integer number (1666954296).

Almost surely, 225004314020 is an apocalyptic number.

25004314020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25004314020 is an abundant number, since it is smaller than the sum of its proper divisors (55009492188).

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

25004314020 is a wasteful number, since it uses less digits than its factorization.

25004314020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59534100 (or 59534098 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 25004314020 its reverse (2041340052), we get a palindrome (27045654072).

The spelling of 25004314020 in words is "twenty-five billion, four million, three hundred fourteen thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 59534081 119068162 178602243 238136324 297670405 357204486 416738567 595340810 714408972 833477134 893011215 1190681620 1250215701 1666954268 1786022430 2083692835 2500431402 3572044860 4167385670 5000862804 6251078505 8334771340 12502157010 25004314020