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103030131012 = 22346118624391
BaseRepresentation
bin101111111110100010…
…0110000100101000100
3100211221100100221120020
41133331010300211010
53142001203143022
6115155325135140
710305116443464
oct1377504604504
9324840327506
10103030131012
113a770906406
1217b746ba4b0
13993c513783
144db566bba4
152a3028135c
hex17fd130944

103030131012 has 24 divisors (see below), whose sum is σ = 240925134912. Its totient is φ = 34268877600.

The previous prime is 103030130993. The next prime is 103030131019. The reversal of 103030131012 is 210131030301.

It is a junction number, because it is equal to n+sod(n) for n = 103030130982 and 103030131000.

It is not an unprimeable number, because it can be changed into a prime (103030131019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9306664 + ... + 9317727.

It is an arithmetic number, because the mean of its divisors is an integer number (10038547288).

Almost surely, 2103030131012 is an apocalyptic number.

103030131012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103030131012 is an abundant number, since it is smaller than the sum of its proper divisors (137895003900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103030131012 is a wasteful number, since it uses less digits than its factorization.

103030131012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18624859 (or 18624857 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 103030131012 its reverse (210131030301), we get a palindrome (313161161313).

The spelling of 103030131012 in words is "one hundred three billion, thirty million, one hundred thirty-one thousand, twelve".

Divisors: 1 2 3 4 6 12 461 922 1383 1844 2766 5532 18624391 37248782 55873173 74497564 111746346 223492692 8585844251 17171688502 25757532753 34343377004 51515065506 103030131012