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2452120705 = 5490424141
BaseRepresentation
bin1001001000101000…
…0110010010000001
320022220002122020101
42102022012102001
520010220330310
61043153242401
7114523452646
oct22212062201
96286078211
102452120705
111049181641
12585263401
133010373c8
14193949dcd
15e541e43a
hex92286481

2452120705 has 4 divisors (see below), whose sum is σ = 2942544852. Its totient is φ = 1961696560.

The previous prime is 2452120703. The next prime is 2452120717. The reversal of 2452120705 is 5070212542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5070212542 = 22535106271.

It can be written as a sum of positive squares in 2 ways, for example, as 1886251761 + 565868944 = 43431^2 + 23788^2 .

It is not a de Polignac number, because 2452120705 - 21 = 2452120703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2452120703) 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, 245212066 + ... + 245212075.

It is an arithmetic number, because the mean of its divisors is an integer number (735636213).

Almost surely, 22452120705 is an apocalyptic number.

It is an amenable number.

2452120705 is a deficient number, since it is larger than the sum of its proper divisors (490424147).

2452120705 is an equidigital number, since it uses as much as digits as its factorization.

2452120705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490424146.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 2452120705 is about 49518.8924048186. The cubic root of 2452120705 is about 1348.4886066754.

The spelling of 2452120705 in words is "two billion, four hundred fifty-two million, one hundred twenty thousand, seven hundred five".

Divisors: 1 5 490424141 2452120705