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2530138764 = 2231712402641
BaseRepresentation
bin1001011011001110…
…1101101010001100
320112022220100220010
42112303231222030
520140203420024
61055021353220
7116461552566
oct22663555214
96468810803
102530138764
11108921977a
125a7408810
1331425263a
141a0058336
15ec1d0b29
hex96ceda8c

2530138764 has 24 divisors (see below), whose sum is σ = 6250931568. Its totient is φ = 793768960.

The previous prime is 2530138763. The next prime is 2530138777. The reversal of 2530138764 is 4678310352.

It is not an unprimeable number, because it can be changed into a prime (2530138763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6201117 + ... + 6201524.

It is an arithmetic number, because the mean of its divisors is an integer number (260455482).

Almost surely, 22530138764 is an apocalyptic number.

It is an amenable number.

2530138764 is an abundant number, since it is smaller than the sum of its proper divisors (3720792804).

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

2530138764 is a wasteful number, since it uses less digits than its factorization.

2530138764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12402665 (or 12402663 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 2530138764 is about 50300.4847292747. The cubic root of 2530138764 is about 1362.6409833521.

The spelling of 2530138764 in words is "two billion, five hundred thirty million, one hundred thirty-eight thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 12402641 24805282 37207923 49610564 74415846 148831692 210844897 421689794 632534691 843379588 1265069382 2530138764