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103121011210 = 2571473157303
BaseRepresentation
bin110000000001001111…
…1011100001000001010
3100212011200101010202111
41200002133130020022
53142142434324320
6115212333052534
710310302063360
oct1400237341012
9325150333674
10103121011210
113a808139008
1217b9b02714a
1399552b3239
144dc3767630
152a38233a5a
hex18027dc20a

103121011210 has 16 divisors (see below), whose sum is σ = 212134651776. Its totient is φ = 35355775248.

The previous prime is 103121011199. The next prime is 103121011249. The reversal of 103121011210 is 12110121301.

It is a happy number.

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, 736578582 + ... + 736578721.

It is an arithmetic number, because the mean of its divisors is an integer number (13258415736).

Almost surely, 2103121011210 is an apocalyptic number.

103121011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103121011210 is an abundant number, since it is smaller than the sum of its proper divisors (109013640566).

103121011210 is a wasteful number, since it uses less digits than its factorization.

103121011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473157317.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 103121011210 its reverse (12110121301), we get a palindrome (115231132511).

The spelling of 103121011210 in words is "one hundred three billion, one hundred twenty-one million, eleven thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 70 1473157303 2946314606 7365786515 10312101121 14731573030 20624202242 51560505605 103121011210