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103131205054 = 251565602527
BaseRepresentation
bin110000000001100011…
…0010100110110111110
3100212012101120001002021
41200003012110312332
53142203042030204
6115213335350354
710310454531133
oct1400306246676
9325171501067
10103131205054
113a812970879
1217ba25223ba
1399574420b7
144dc4c5c58a
152a39099154
hex1803194dbe

103131205054 has 4 divisors (see below), whose sum is σ = 154696807584. Its totient is φ = 51565602526.

The previous prime is 103131205033. The next prime is 103131205061. The reversal of 103131205054 is 450502131301.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25782801262 + ... + 25782801265.

It is an arithmetic number, because the mean of its divisors is an integer number (38674201896).

Almost surely, 2103131205054 is an apocalyptic number.

103131205054 is a deficient number, since it is larger than the sum of its proper divisors (51565602530).

103131205054 is an equidigital number, since it uses as much as digits as its factorization.

103131205054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51565602529.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 103131205054 its reverse (450502131301), we get a palindrome (553633336355).

The spelling of 103131205054 in words is "one hundred three billion, one hundred thirty-one million, two hundred five thousand, fifty-four".

Divisors: 1 2 51565602527 103131205054