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2530961644 = 223120410981
BaseRepresentation
bin1001011011011011…
…0110100011101100
320112101110011200011
42112312312203230
520140411233034
61055051143004
7116501550631
oct22666664354
96471404604
102530961644
111089730a42
125a7744a64
13314480053
141a01d0188
15ec2e4864
hex96db68ec

2530961644 has 12 divisors (see below), whose sum is σ = 4572059968. Its totient is φ = 1224658800.

The previous prime is 2530961617. The next prime is 2530961651. The reversal of 2530961644 is 4461690352.

It is a junction number, because it is equal to n+sod(n) for n = 2530961597 and 2530961606.

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, 10205367 + ... + 10205614.

Almost surely, 22530961644 is an apocalyptic number.

It is an amenable number.

2530961644 is a deficient number, since it is larger than the sum of its proper divisors (2041098324).

2530961644 is a wasteful number, since it uses less digits than its factorization.

2530961644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20411016 (or 20411014 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 2530961644 is about 50308.6637071588. The cubic root of 2530961644 is about 1362.7886917822.

The spelling of 2530961644 in words is "two billion, five hundred thirty million, nine hundred sixty-one thousand, six hundred forty-four".

Divisors: 1 2 4 31 62 124 20410981 40821962 81643924 632740411 1265480822 2530961644