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103012023121 = 7371013937919
BaseRepresentation
bin101111111101111111…
…1101011101101010001
3100211220002021222012121
41133323333223231101
53141432034214441
6115153441054241
710304506515010
oct1377377535521
9324802258177
10103012023121
113a761668707
1217b6a627381
139938843647
144db30b6a77
152a2d8a5dd1
hex17fbfebb51

103012023121 has 16 divisors (see below), whose sum is σ = 122107023360. Its totient is φ = 85059028800.

The previous prime is 103012023109. The next prime is 103012023157. The reversal of 103012023121 is 121320210301.

It is a cyclic number.

It is not a de Polignac number, because 103012023121 - 25 = 103012023089 is a prime.

It is a super-2 number, since 2×1030120231212 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103012023095 and 103012023104.

It is not an unprimeable number, because it can be changed into a prime (103012023181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1942801 + ... + 1995118.

It is an arithmetic number, because the mean of its divisors is an integer number (7631688960).

Almost surely, 2103012023121 is an apocalyptic number.

It is an amenable number.

103012023121 is a deficient number, since it is larger than the sum of its proper divisors (19095000239).

103012023121 is a wasteful number, since it uses less digits than its factorization.

103012023121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3938064.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 103012023121 its reverse (121320210301), we get a palindrome (224332233422).

The spelling of 103012023121 in words is "one hundred three billion, twelve million, twenty-three thousand, one hundred twenty-one".

Divisors: 1 7 37 101 259 707 3737 26159 3937919 27565433 145703003 397729819 1019921021 2784108733 14716003303 103012023121