Base | Representation |
---|---|
bin | 111001110111001… |
… | …0110010110101111 |
3 | 12000022022221111200 |
4 | 1303232112112233 |
5 | 12434012430111 |
6 | 520353420543 |
7 | 66053506260 |
oct | 16356262657 |
9 | 5008287450 |
10 | 1941530031 |
11 | 906a41281 |
12 | 46226a753 |
13 | 24c31494c |
14 | 145bd8967 |
15 | b56b3256 |
hex | 73b965af |
1941530031 has 48 divisors (see below), whose sum is σ = 3389288448. Its totient is φ = 1047427200.
The previous prime is 1941530011. The next prime is 1941530039. The reversal of 1941530031 is 1300351491.
It is not a de Polignac number, because 1941530031 - 222 = 1937335727 is a prime.
It is a super-2 number, since 2×19415300312 = 7539077722549721922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1941529977 and 1941530004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1941530039) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67950 + ... + 92196.
It is an arithmetic number, because the mean of its divisors is an integer number (70610176).
Almost surely, 21941530031 is an apocalyptic number.
1941530031 is a deficient number, since it is larger than the sum of its proper divisors (1447758417).
1941530031 is a wasteful number, since it uses less digits than its factorization.
1941530031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24332 (or 24329 counting only the distinct ones).
The product of its (nonzero) digits is 1620, while the sum is 27.
The square root of 1941530031 is about 44062.7964500666. The cubic root of 1941530031 is about 1247.5214954737.
The spelling of 1941530031 in words is "one billion, nine hundred forty-one million, five hundred thirty thousand, thirty-one".
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