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2513212120 = 23562830303
BaseRepresentation
bin1001010111001100…
…1001001011011000
320111011001101220101
42111303021023120
520121340241440
61053214505144
7116164644016
oct22563111330
96434041811
102513212120
11107a708511
125a18051b4
133108a7083
1419bacd8b6
15ea98a69a
hex95cc92d8

2513212120 has 16 divisors (see below), whose sum is σ = 5654727360. Its totient is φ = 1005284832.

The previous prime is 2513212111. The next prime is 2513212159. The reversal of 2513212120 is 212123152.

It is a super-2 number, since 2×25132121202 = 12632470320229788800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31415112 + ... + 31415191.

It is an arithmetic number, because the mean of its divisors is an integer number (353420460).

Almost surely, 22513212120 is an apocalyptic number.

2513212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2513212120 is an abundant number, since it is smaller than the sum of its proper divisors (3141515240).

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

2513212120 is a wasteful number, since it uses less digits than its factorization.

2513212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62830314 (or 62830310 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2513212120 is about 50131.9470996290. The cubic root of 2513212120 is about 1359.5954895583.

Adding to 2513212120 its reverse (212123152), we get a palindrome (2725335272).

The spelling of 2513212120 in words is "two billion, five hundred thirteen million, two hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 62830303 125660606 251321212 314151515 502642424 628303030 1256606060 2513212120