Base | Representation |
---|---|
bin | 101111001000101011… |
… | …1100110100001000010 |
3 | 100200021102011211211100 |
4 | 1132101113212201002 |
5 | 3124301110144302 |
6 | 114300134555230 |
7 | 10212255263454 |
oct | 1362127464102 |
9 | 320242154740 |
10 | 101223131202 |
11 | 39a23900736 |
12 | 1774b508b16 |
13 | 971204260b |
14 | 4c836922d4 |
15 | 29767e3d1c |
hex | 17915e6842 |
101223131202 has 24 divisors (see below), whose sum is σ = 219342030336. Its totient is φ = 33737159736.
The previous prime is 101223131189. The next prime is 101223131213. The reversal of 101223131202 is 202131322101.
It is a super-2 number, since 2×1012231312022 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
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 11 ways as a sum of consecutive naturals, for example, 160738 + ... + 477789.
It is an arithmetic number, because the mean of its divisors is an integer number (9139251264).
Almost surely, 2101223131202 is an apocalyptic number.
101223131202 is an abundant number, since it is smaller than the sum of its proper divisors (118118899134).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
101223131202 is a wasteful number, since it uses less digits than its factorization.
101223131202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 647342 (or 647339 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 101223131202 its reverse (202131322101), we get a palindrome (303354453303).
The spelling of 101223131202 in words is "one hundred one billion, two hundred twenty-three million, one hundred thirty-one thousand, two hundred two".
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