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103121230313012 = 2247335446927441
BaseRepresentation
bin10111011100100111001000…
…010011010011011000110100
3111112010021220211210210101212
4113130213020103103120310
5102004014234430004022
61003153123400340552
730502156135101212
oct2734471023233064
9445107824723355
10103121230313012
112a94851716838a
12b695703474758
1345703a0a08c72
141b671465d1cb2
15bdc646ee13e2
hex5dc9c84d3634

103121230313012 has 12 divisors (see below), whose sum is σ = 180500281572996. Its totient is φ = 51549721292160.

The previous prime is 103121230312993. The next prime is 103121230313033. The reversal of 103121230313012 is 210313032121301.

It can be written as a sum of positive squares in 2 ways, for example, as 54369917971216 + 48751312341796 = 7373596^2 + 6982214^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2723444789 + ... + 2723482652.

It is an arithmetic number, because the mean of its divisors is an integer number (15041690131083).

Almost surely, 2103121230313012 is an apocalyptic number.

It is an amenable number.

103121230313012 is a deficient number, since it is larger than the sum of its proper divisors (77379051259984).

103121230313012 is a wasteful number, since it uses less digits than its factorization.

103121230313012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5446932178 (or 5446932176 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 103121230313012 its reverse (210313032121301), we get a palindrome (313434262434313).

The spelling of 103121230313012 in words is "one hundred three trillion, one hundred twenty-one billion, two hundred thirty million, three hundred thirteen thousand, twelve".

Divisors: 1 2 4 4733 9466 18932 5446927441 10893854882 21787709764 25780307578253 51560615156506 103121230313012