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103030312012 = 22314877170369
BaseRepresentation
bin101111111110100010…
…1011100110001001100
3100211221100201010211221
41133331011130301030
53142001224441022
6115155333053124
710305121126255
oct1377505346114
9324840633757
10103030312012
113a770a1a3a1
1217b747871a4
13993c577c84
144db56b7b2c
152a302b9cc7
hex17fd15cc4c

103030312012 has 24 divisors (see below), whose sum is σ = 186158528640. Its totient is φ = 49842862080.

The previous prime is 103030311953. The next prime is 103030312051. The reversal of 103030312012 is 210213030301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519564 + ... + 689932.

It is an arithmetic number, because the mean of its divisors is an integer number (7756605360).

Almost surely, 2103030312012 is an apocalyptic number.

It is an amenable number.

103030312012 is a deficient number, since it is larger than the sum of its proper divisors (83128216628).

103030312012 is a wasteful number, since it uses less digits than its factorization.

103030312012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175281 (or 175279 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 103030312012 its reverse (210213030301), we get a palindrome (313243342313).

The spelling of 103030312012 in words is "one hundred three billion, thirty million, three hundred twelve thousand, twelve".

Divisors: 1 2 4 31 62 124 4877 9754 19508 151187 170369 302374 340738 604748 681476 5281439 10562878 21125756 830889613 1661779226 3323558452 25757578003 51515156006 103030312012