Base | Representation |
---|---|
bin | 111011000001011… |
… | …1001110001010001 |
3 | 12010000121102101200 |
4 | 1312002321301101 |
5 | 13024000104101 |
6 | 524304221413 |
7 | 100035511005 |
oct | 16602716121 |
9 | 5100542350 |
10 | 1980472401 |
11 | 926a1a256 |
12 | 47330a869 |
13 | 2573cac7b |
14 | 14b054705 |
15 | b8d06986 |
hex | 760b9c51 |
1980472401 has 12 divisors (see below), whose sum is σ = 2862549300. Its totient is φ = 1319453280.
The previous prime is 1980472387. The next prime is 1980472423. The reversal of 1980472401 is 1042740891.
It can be written as a sum of positive squares in 2 ways, for example, as 1105496001 + 874976400 = 33249^2 + 29580^2 .
It is not a de Polignac number, because 1980472401 - 210 = 1980471377 is a prime.
It is a super-2 number, since 2×19804724012 = 7844541862245409602, which contains 22 as substring.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (1980472451) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57090 + ... + 84971.
It is an arithmetic number, because the mean of its divisors is an integer number (238545775).
Almost surely, 21980472401 is an apocalyptic number.
It is an amenable number.
1980472401 is a deficient number, since it is larger than the sum of its proper divisors (882076899).
1980472401 is a wasteful number, since it uses less digits than its factorization.
1980472401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143616 (or 143613 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 36.
The square root of 1980472401 is about 44502.4988174821. The cubic root of 1980472401 is about 1255.8070925772.
The spelling of 1980472401 in words is "one billion, nine hundred eighty million, four hundred seventy-two thousand, four hundred one".
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