Base | Representation |
---|---|
bin | 100010111101010000… |
… | …000000111101010101 |
3 | 10120212212101221120111 |
4 | 202331100000331111 |
5 | 1103332404033141 |
6 | 25124313403021 |
7 | 2466101536324 |
oct | 427520007525 |
9 | 116785357514 |
10 | 37534830421 |
11 | 14a11484710 |
12 | 7336409471 |
13 | 370242993a |
14 | 1b610260bb |
15 | e9a38b381 |
hex | 8bd400f55 |
37534830421 has 16 divisors (see below), whose sum is σ = 41225577408. Its totient is φ = 33890688000.
The previous prime is 37534830397. The next prime is 37534830461. The reversal of 37534830421 is 12403843573.
It is a cyclic number.
It is not a de Polignac number, because 37534830421 - 219 = 37534306133 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (37534830461) 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, 8029941 + ... + 8034613.
It is an arithmetic number, because the mean of its divisors is an integer number (2576598588).
Almost surely, 237534830421 is an apocalyptic number.
It is an amenable number.
37534830421 is a deficient number, since it is larger than the sum of its proper divisors (3690746987).
37534830421 is a wasteful number, since it uses less digits than its factorization.
37534830421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9492.
The product of its (nonzero) digits is 241920, while the sum is 40.
It can be divided in two parts, 375348 and 30421, that added together give a square (405769 = 6372).
The spelling of 37534830421 in words is "thirty-seven billion, five hundred thirty-four million, eight hundred thirty thousand, four hundred twenty-one".
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