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1013144159 = 1079468637
BaseRepresentation
bin111100011000110…
…101101001011111
32121121102001111202
4330120311221133
54033331103114
6244311110115
734051404026
oct7430655137
92547361452
101013144159
1147a991225
1224337233b
13131b8cbb1
14987ad8bd
155de2acde
hex3c635a5f

1013144159 has 4 divisors (see below), whose sum is σ = 1022612904. Its totient is φ = 1003675416.

The previous prime is 1013144149. The next prime is 1013144161. The reversal of 1013144159 is 9514413101.

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-1013144159 is a prime.

It is a super-2 number, since 2×10131441592 = 2052922173831634562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013144129) 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, 4734212 + ... + 4734425.

It is an arithmetic number, because the mean of its divisors is an integer number (255653226).

Almost surely, 21013144159 is an apocalyptic number.

1013144159 is a deficient number, since it is larger than the sum of its proper divisors (9468745).

1013144159 is an equidigital number, since it uses as much as digits as its factorization.

1013144159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9468744.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 1013144159 is about 31829.9255261460. The cubic root of 1013144159 is about 1004.3623287496.

The spelling of 1013144159 in words is "one billion, thirteen million, one hundred forty-four thousand, one hundred fifty-nine".

Divisors: 1 107 9468637 1013144159