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1300120994 = 2650060497
BaseRepresentation
bin100110101111110…
…0100010110100010
310100121101222201102
41031133210112202
510130312332434
6333002034402
744134563134
oct11537442642
93317358642
101300120994
11607980167
123034a8a02
1317947b083
14c4953054
157921607e
hex4d7e45a2

1300120994 has 4 divisors (see below), whose sum is σ = 1950181494. Its totient is φ = 650060496.

The previous prime is 1300120979. The next prime is 1300121033. The reversal of 1300120994 is 4990210031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4990210031 = 39443126517.

It can be written as a sum of positive squares in only one way, i.e., 1028035969 + 272085025 = 32063^2 + 16495^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325030247 + ... + 325030250.

Almost surely, 21300120994 is an apocalyptic number.

1300120994 is a deficient number, since it is larger than the sum of its proper divisors (650060500).

1300120994 is an equidigital number, since it uses as much as digits as its factorization.

1300120994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650060499.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1300120994 is about 36057.1906004891. The cubic root of 1300120994 is about 1091.4267414954.

The spelling of 1300120994 in words is "one billion, three hundred million, one hundred twenty thousand, nine hundred ninety-four".

Divisors: 1 2 650060497 1300120994