Base | Representation |
---|---|
bin | 1100010010100… |
… | …11011001001111 |
3 | 21012000010101202 |
4 | 12021103121033 |
5 | 202343231111 |
6 | 14121500115 |
7 | 2361232004 |
oct | 611233117 |
9 | 235003352 |
10 | 103102031 |
11 | 5322009a |
12 | 2a64163b |
13 | 1848b726 |
14 | d99b8ab |
15 | 90b8b3b |
hex | 625364f |
103102031 has 16 divisors (see below), whose sum is σ = 109900800. Its totient is φ = 96521568.
The previous prime is 103101941. The next prime is 103102033. The reversal of 103102031 is 130201301.
It is a de Polignac number, because none of the positive numbers 2k-103102031 is a prime.
It is a super-2 number, since 2×1031020312 = 21260057592649922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (103102033) 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, 325085 + ... + 325401.
It is an arithmetic number, because the mean of its divisors is an integer number (6868800).
Almost surely, 2103102031 is an apocalyptic number.
103102031 is a deficient number, since it is larger than the sum of its proper divisors (6798769).
103102031 is a wasteful number, since it uses less digits than its factorization.
103102031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 598.
The product of its (nonzero) digits is 18, while the sum is 11.
The square root of 103102031 is about 10153.9170274333. The cubic root of 103102031 is about 468.9095453112.
Adding to 103102031 its reverse (130201301), we get a palindrome (233303332).
The spelling of 103102031 in words is "one hundred three million, one hundred two thousand, thirty-one".
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