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103121000120 = 2357335315411
BaseRepresentation
bin110000000001001111…
…1011001011010111000
3100212011200100120112202
41200002133121122320
53142142434000440
6115212332525332
710310302016135
oct1400237313270
9325150316482
10103121000120
113a808130746
1217b9b020848
1399552ab188
144dc376358c
152a38230615
hex18027d96b8

103121000120 has 32 divisors (see below), whose sum is σ = 235200643920. Its totient is φ = 40683352320.

The previous prime is 103121000107. The next prime is 103121000131. The reversal of 103121000120 is 21000121301.

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 in 7 ways as a sum of consecutive naturals, for example, 17654786 + ... + 17660625.

Almost surely, 2103121000120 is an apocalyptic number.

103121000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103121000120 is an abundant number, since it is smaller than the sum of its proper divisors (132079643800).

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

103121000120 is a wasteful number, since it uses less digits than its factorization.

103121000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35315495 (or 35315491 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 103121000120 its reverse (21000121301), we get a palindrome (124121121421).

The spelling of 103121000120 in words is "one hundred three billion, one hundred twenty-one million, one hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 20 40 73 146 292 365 584 730 1460 2920 35315411 70630822 141261644 176577055 282523288 353154110 706308220 1412616440 2578025003 5156050006 10312100012 12890125015 20624200024 25780250030 51560500060 103121000120