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103143403313 = 372787659549
BaseRepresentation
bin110000000001111010…
…0110110111100110001
3100212020020111202221122
41200003310312330301
53142214202401223
6115214453032025
710310663314436
oct1400364667461
9325206452848
10103143403313
113a819842585
1217ba6625615
139959b233c2
144dc6715b8d
152a3a1a85c8
hex1803d36f31

103143403313 has 4 divisors (see below), whose sum is σ = 105931062900. Its totient is φ = 100355743728.

The previous prime is 103143403261. The next prime is 103143403333. The reversal of 103143403313 is 313304341301.

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

It can be written as a sum of positive squares in 2 ways, for example, as 42593942689 + 60549460624 = 206383^2 + 246068^2 .

It is a cyclic number.

It is not a de Polignac number, because 103143403313 - 28 = 103143403057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103143403333) 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, 1393829738 + ... + 1393829811.

It is an arithmetic number, because the mean of its divisors is an integer number (26482765725).

Almost surely, 2103143403313 is an apocalyptic number.

It is an amenable number.

103143403313 is a deficient number, since it is larger than the sum of its proper divisors (2787659587).

103143403313 is an equidigital number, since it uses as much as digits as its factorization.

103143403313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2787659586.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 103143403313 its reverse (313304341301), we get a palindrome (416447744614).

The spelling of 103143403313 in words is "one hundred three billion, one hundred forty-three million, four hundred three thousand, three hundred thirteen".

Divisors: 1 37 2787659549 103143403313