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2630420453 = 15117420003
BaseRepresentation
bin1001110011001001…
…0000011111100101
320210022121012111202
42130302100133211
520341341423303
61113003012245
7122120130203
oct23462203745
96708535452
102630420453
11112a892901
12614b0a085
1332bc6440b
141ad4c0073
15105dddc88
hex9cc907e5

2630420453 has 4 divisors (see below), whose sum is σ = 2647840608. Its totient is φ = 2613000300.

The previous prime is 2630420449. The next prime is 2630420473. The reversal of 2630420453 is 3540240362.

2630420453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2630420453 - 22 = 2630420449 is a prime.

It is a super-2 number, since 2×26304204532 = 13838223519121450418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2630420473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8709851 + ... + 8710152.

It is an arithmetic number, because the mean of its divisors is an integer number (661960152).

Almost surely, 22630420453 is an apocalyptic number.

It is an amenable number.

2630420453 is a deficient number, since it is larger than the sum of its proper divisors (17420155).

2630420453 is a wasteful number, since it uses less digits than its factorization.

2630420453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17420154.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 2630420453 is about 51287.6247549055. The cubic root of 2630420453 is about 1380.4109349960.

The spelling of 2630420453 in words is "two billion, six hundred thirty million, four hundred twenty thousand, four hundred fifty-three".

Divisors: 1 151 17420003 2630420453