Base | Representation |
---|---|
bin | 1000011101110101011… |
… | …1111011111011010010 |
3 | 111220102111222221021122 |
4 | 2013131113323323102 |
5 | 4340334134212044 |
6 | 150452354322242 |
7 | 13336223156261 |
oct | 2073527737322 |
9 | 456374887248 |
10 | 145447960274 |
11 | 56758644351 |
12 | 24232289382 |
13 | 1093c485026 |
14 | 707adba5d8 |
15 | 3bb4161dee |
hex | 21dd5fbed2 |
145447960274 has 8 divisors (see below), whose sum is σ = 225695110860. Its totient is φ = 70216256656.
The previous prime is 145447960267. The next prime is 145447960277. The reversal of 145447960274 is 472069744541.
It can be written as a sum of positive squares in 2 ways, for example, as 139073055625 + 6374904649 = 372925^2 + 79843^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (145447960277) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253861669 + ... + 1253861784.
Almost surely, 2145447960274 is an apocalyptic number.
145447960274 is a deficient number, since it is larger than the sum of its proper divisors (80247150586).
145447960274 is a wasteful number, since it uses less digits than its factorization.
145447960274 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2507723484.
The product of its (nonzero) digits is 6773760, while the sum is 53.
The spelling of 145447960274 in words is "one hundred forty-five billion, four hundred forty-seven million, nine hundred sixty thousand, two hundred seventy-four".
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