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2013315550 = 25254773613
BaseRepresentation
bin111100000000000…
…1100000111011110
312012022102000201121
41320000030013132
513110402044200
6531440201154
7100614620431
oct17000140736
95168360647
102013315550
11943511854
124823091ba
1326115a09c
14151563818
15bbb42e1a
hex7800c1de

2013315550 has 24 divisors (see below), whose sum is σ = 3751663896. Its totient is φ = 803843040.

The previous prime is 2013315541. The next prime is 2013315581. The reversal of 2013315550 is 555133102.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 9457 + ... + 64156.

It is an arithmetic number, because the mean of its divisors is an integer number (156319329).

Almost surely, 22013315550 is an apocalyptic number.

2013315550 is a deficient number, since it is larger than the sum of its proper divisors (1738348346).

2013315550 is a wasteful number, since it uses less digits than its factorization.

2013315550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74172 (or 74167 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 2013315550 is about 44869.9849565386. The cubic root of 2013315550 is about 1262.7109577879.

Adding to 2013315550 its reverse (555133102), we get a palindrome (2568448652).

The spelling of 2013315550 in words is "two billion, thirteen million, three hundred fifteen thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 547 1094 2735 5470 13675 27350 73613 147226 368065 736130 1840325 3680650 40266311 80532622 201331555 402663110 1006657775 2013315550