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2553002500 = 22546116741
BaseRepresentation
bin1001100000101011…
…1011101000000100
320120220220222001011
42120022323220010
520212032040000
61101155412004
7120160106656
oct23012735004
96526828034
102553002500
1110a0115624
125b2bb4004
13318bc9389
141a30ca6d6
15ee1ea2ba
hex982bba04

2553002500 has 60 divisors (see below), whose sum is σ = 5674767868. Its totient is φ = 1004400000.

The previous prime is 2553002471. The next prime is 2553002503. The reversal of 2553002500 is 52003552.

It can be written as a sum of positive squares in 10 ways, for example, as 1933888576 + 619113924 = 43976^2 + 24882^2 .

It is not an unprimeable number, because it can be changed into a prime (2553002503) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 144130 + ... + 160870.

Almost surely, 22553002500 is an apocalyptic number.

2553002500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2553002500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2837383934).

2553002500 is an abundant number, since it is smaller than the sum of its proper divisors (3121765368).

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

2553002500 is a wasteful number, since it uses less digits than its factorization.

2553002500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16826 (or 16809 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 2553002500 is about 50527.2451257735. The cubic root of 2553002500 is about 1366.7332078118.

The spelling of 2553002500 in words is "two billion, five hundred fifty-three million, two thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 61 100 122 125 244 250 305 500 610 625 1220 1250 1525 2500 3050 6100 7625 15250 16741 30500 33482 38125 66964 76250 83705 152500 167410 334820 418525 837050 1021201 1674100 2042402 2092625 4084804 4185250 5106005 8370500 10212010 10463125 20424020 20926250 25530025 41852500 51060050 102120100 127650125 255300250 510600500 638250625 1276501250 2553002500