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2553712540 = 225236191009
BaseRepresentation
bin1001100000110110…
…1000111110011100
320120222021001000221
42120031220332130
520212222300130
61101222531124
7120166125031
oct23015507634
96528231027
102553712540
1110a0560035
125b3296aa4
133190b7612
141a3233388
15ee2da87a
hex98368f9c

2553712540 has 48 divisors (see below), whose sum is σ = 5687760960. Its totient is φ = 961044480.

The previous prime is 2553712531. The next prime is 2553712541. The reversal of 2553712540 is 452173552.

2553712540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2553712496 and 2553712505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553712541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17445 + ... + 73564.

It is an arithmetic number, because the mean of its divisors is an integer number (118495020).

Almost surely, 22553712540 is an apocalyptic number.

2553712540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2553712540 is an abundant number, since it is smaller than the sum of its proper divisors (3134048420).

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

2553712540 is a wasteful number, since it uses less digits than its factorization.

2553712540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91102 (or 91100 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 2553712540 is about 50534.2709455672. The cubic root of 2553712540 is about 1366.8599011588.

The spelling of 2553712540 in words is "two billion, five hundred fifty-three million, seven hundred twelve thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 23 46 61 92 115 122 230 244 305 460 610 1220 1403 2806 5612 7015 14030 28060 91009 182018 364036 455045 910090 1820180 2093207 4186414 5551549 8372828 10466035 11103098 20932070 22206196 27757745 41864140 55515490 111030980 127685627 255371254 510742508 638428135 1276856270 2553712540