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2974106643 = 3991368881
BaseRepresentation
bin1011000101000101…
…0100010000010011
321200021022021022220
42301101110100103
522042332403033
61211041232123
7133462326564
oct26121242023
97607267286
102974106643
111296895382
126b0032643
13385219821
14202dc616b
1512617bbb3
hexb1454413

2974106643 has 4 divisors (see below), whose sum is σ = 3965475528. Its totient is φ = 1982737760.

The previous prime is 2974106587. The next prime is 2974106671. The reversal of 2974106643 is 3466014792.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2974106643 - 210 = 2974105619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2974106595 and 2974106604.

It is not an unprimeable number, because it can be changed into a prime (2974106693) 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, 495684438 + ... + 495684443.

It is an arithmetic number, because the mean of its divisors is an integer number (991368882).

Almost surely, 22974106643 is an apocalyptic number.

2974106643 is a deficient number, since it is larger than the sum of its proper divisors (991368885).

2974106643 is an equidigital number, since it uses as much as digits as its factorization.

2974106643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991368884.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 2974106643 is about 54535.3705681001. The cubic root of 2974106643 is about 1438.0881654944.

The spelling of 2974106643 in words is "two billion, nine hundred seventy-four million, one hundred six thousand, six hundred forty-three".

Divisors: 1 3 991368881 2974106643