Base | Representation |
---|---|
bin | 1011010010101111… |
… | …0111111010111001 |
3 | 21211021010002012120 |
4 | 2310223313322321 |
5 | 22202014300441 |
6 | 1220445231453 |
7 | 135056322141 |
oct | 26453677271 |
9 | 7737102176 |
10 | 3031400121 |
11 | 1316167862 |
12 | 707262589 |
13 | 3940598a9 |
14 | 20a85b921 |
15 | 12b1e7966 |
hex | b4af7eb9 |
3031400121 has 16 divisors (see below), whose sum is σ = 4159635648. Its totient is φ = 1962273600.
The previous prime is 3031400093. The next prime is 3031400143. The reversal of 3031400121 is 1210041303.
It is not a de Polignac number, because 3031400121 - 210 = 3031399097 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 3031400121.
It is not an unprimeable number, because it can be changed into a prime (3031400171) 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, 26691 + ... + 82311.
It is an arithmetic number, because the mean of its divisors is an integer number (259977228).
Almost surely, 23031400121 is an apocalyptic number.
It is an amenable number.
3031400121 is a deficient number, since it is larger than the sum of its proper divisors (1128235527).
3031400121 is a wasteful number, since it uses less digits than its factorization.
3031400121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56152.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 3031400121 is about 55058.1521756769. The cubic root of 3031400121 is about 1447.2639838795.
Adding to 3031400121 its reverse (1210041303), we get a palindrome (4241441424).
The spelling of 3031400121 in words is "three billion, thirty-one million, four hundred thousand, one hundred twenty-one".
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