Base | Representation |
---|---|
bin | 111001010111101101… |
… | …1000110010111001000 |
3 | 102210000011200021111200 |
4 | 1302233123012113020 |
5 | 4004304230413112 |
6 | 132333122424200 |
7 | 11621031300321 |
oct | 1625733062710 |
9 | 383004607450 |
10 | 123202201032 |
11 | 48282481159 |
12 | 1ba64202060 |
13 | b805746991 |
14 | 5d6a745448 |
15 | 331118acdc |
hex | 1caf6c65c8 |
123202201032 has 96 divisors (see below), whose sum is σ = 358140421080. Its totient is φ = 38122168320.
The previous prime is 123202200991. The next prime is 123202201037. The reversal of 123202201032 is 230102202321.
It can be written as a sum of positive squares in 4 ways, for example, as 109888272036 + 13313928996 = 331494^2 + 115386^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 123202200996 and 123202201014.
It is not an unprimeable number, because it can be changed into a prime (123202201037) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 600069 + ... + 778772.
Almost surely, 2123202201032 is an apocalyptic number.
123202201032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
123202201032 is an abundant number, since it is smaller than the sum of its proper divisors (234938220048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123202201032 is a wasteful number, since it uses less digits than its factorization.
123202201032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1378943 (or 1378936 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 123202201032 its reverse (230102202321), we get a palindrome (353304403353).
The spelling of 123202201032 in words is "one hundred twenty-three billion, two hundred two million, two hundred one thousand, thirty-two".
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