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3015013520020 = 225529728459633
BaseRepresentation
bin101011110111111100110…
…011110101001010010100
3101200020021110212010010011
4223313330303311022110
5343344221430120040
610225024511210004
7430553563033345
oct53677463651224
911606243763104
103015013520020
11a62729592567
124083b5b16904
1318b412100a68
14a5cdac3a0cc
15536628293ea
hex2bdfccf5294

3015013520020 has 24 divisors (see below), whose sum is σ = 6332723919144. Its totient is φ = 1205777688576.

The previous prime is 3015013520003. The next prime is 3015013520053. The reversal of 3015013520020 is 200253105103.

It can be written as a sum of positive squares in 4 ways, for example, as 222785888004 + 2792227632016 = 472002^2 + 1670996^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3015013519973 and 3015013520000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14123877 + ... + 14335756.

It is an arithmetic number, because the mean of its divisors is an integer number (263863496631).

Almost surely, 23015013520020 is an apocalyptic number.

It is an amenable number.

3015013520020 is an abundant number, since it is smaller than the sum of its proper divisors (3317710399124).

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

3015013520020 is a wasteful number, since it uses less digits than its factorization.

3015013520020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28464939 (or 28464937 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 3015013520020 its reverse (200253105103), we get a palindrome (3215266625123).

The spelling of 3015013520020 in words is "three trillion, fifteen billion, thirteen million, five hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 5297 10594 21188 26485 52970 105940 28459633 56919266 113838532 142298165 284596330 569192660 150750676001 301501352002 603002704004 753753380005 1507506760010 3015013520020