Base | Representation |
---|---|
bin | 10110101110010111… |
… | …01100010100001011 |
3 | 1011111020122100111110 |
4 | 23113023230110023 |
5 | 144441211214011 |
6 | 5334334301403 |
7 | 611221101651 |
oct | 132713542413 |
9 | 34436570443 |
10 | 12200101131 |
11 | 51a0703609 |
12 | 2445957863 |
13 | 11c5755b6a |
14 | 83a428dd1 |
15 | 4b60e9ba6 |
hex | 2d72ec50b |
12200101131 has 16 divisors (see below), whose sum is σ = 16760210688. Its totient is φ = 7888111200.
The previous prime is 12200101127. The next prime is 12200101141. The reversal of 12200101131 is 13110100221.
It is not a de Polignac number, because 12200101131 - 22 = 12200101127 is a prime.
It is a super-2 number, since 2×122001011312 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12200101141) 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, 142185 + ... + 211226.
It is an arithmetic number, because the mean of its divisors is an integer number (1047513168).
Almost surely, 212200101131 is an apocalyptic number.
12200101131 is a deficient number, since it is larger than the sum of its proper divisors (4560109557).
12200101131 is a wasteful number, since it uses less digits than its factorization.
12200101131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 353762.
The product of its (nonzero) digits is 12, while the sum is 12.
Adding to 12200101131 its reverse (13110100221), we get a palindrome (25310201352).
The spelling of 12200101131 in words is "twelve billion, two hundred million, one hundred one thousand, one hundred thirty-one".
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