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1013030399 = 1627622637
BaseRepresentation
bin111100011000011…
…001110111111111
32121121012021110102
4330120121313333
54033313433044
6244304431315
734050421253
oct7430316777
92547167412
101013030399
1147a913807
1224331853b
13131b50194
1498780263
155de0724e
hex3c619dff

1013030399 has 4 divisors (see below), whose sum is σ = 1013654664. Its totient is φ = 1012406136.

The previous prime is 1013030371. The next prime is 1013030401. The reversal of 1013030399 is 9930303101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1013030399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013030309) 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, 309692 + ... + 312945.

It is an arithmetic number, because the mean of its divisors is an integer number (253413666).

Almost surely, 21013030399 is an apocalyptic number.

1013030399 is a deficient number, since it is larger than the sum of its proper divisors (624265).

1013030399 is an equidigital number, since it uses as much as digits as its factorization.

1013030399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624264.

The product of its (nonzero) digits is 2187, while the sum is 29.

The square root of 1013030399 is about 31828.1384783968. The cubic root of 1013030399 is about 1004.3247360293.

The spelling of 1013030399 in words is "one billion, thirteen million, thirty thousand, three hundred ninety-nine".

Divisors: 1 1627 622637 1013030399