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103202311442 = 251601155721
BaseRepresentation
bin110000000011101010…
…1100100110100010010
3100212101100100121201012
41200013111210310102
53142324242431232
6115224355410522
710312310113316
oct1400725446422
9325340317635
10103202311442
113a84a01808a
12180022b3a42
1399690aa399
144dd048bb46
152a404429b2
hex1807564d12

103202311442 has 4 divisors (see below), whose sum is σ = 154803467166. Its totient is φ = 51601155720.

The previous prime is 103202311423. The next prime is 103202311447. The reversal of 103202311442 is 244113202301.

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

It can be written as a sum of positive squares in only one way, i.e., 101092838401 + 2109473041 = 317951^2 + 45929^2 .

It is not an unprimeable number, because it can be changed into a prime (103202311447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25800577859 + ... + 25800577862.

Almost surely, 2103202311442 is an apocalyptic number.

103202311442 is a deficient number, since it is larger than the sum of its proper divisors (51601155724).

103202311442 is an equidigital number, since it uses as much as digits as its factorization.

103202311442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51601155723.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 103202311442 its reverse (244113202301), we get a palindrome (347315513743).

The spelling of 103202311442 in words is "one hundred three billion, two hundred two million, three hundred eleven thousand, four hundred forty-two".

Divisors: 1 2 51601155721 103202311442