Base | Representation |
---|---|
bin | 1111100011010… |
… | …01100011111010 |
3 | 100002110211201101 |
4 | 13301221203322 |
5 | 231344041202 |
6 | 20540042014 |
7 | 3142566421 |
oct | 761514372 |
9 | 302424641 |
10 | 130455802 |
11 | 67703414 |
12 | 3783330a |
13 | 210480a9 |
14 | 1347c2b8 |
15 | b6bd887 |
hex | 7c698fa |
130455802 has 4 divisors (see below), whose sum is σ = 195683706. Its totient is φ = 65227900.
The previous prime is 130455779. The next prime is 130455803. The reversal of 130455802 is 208554031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 208554031 = 7 ⋅29793433.
It can be written as a sum of positive squares in only one way, i.e., 130165281 + 290521 = 11409^2 + 539^2 .
It is not an unprimeable number, because it can be changed into a prime (130455803) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32613949 + ... + 32613952.
Almost surely, 2130455802 is an apocalyptic number.
130455802 is a deficient number, since it is larger than the sum of its proper divisors (65227904).
130455802 is an equidigital number, since it uses as much as digits as its factorization.
130455802 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65227903.
The product of its (nonzero) digits is 4800, while the sum is 28.
The square root of 130455802 is about 11421.7250010670. The cubic root of 130455802 is about 507.1710626986.
The spelling of 130455802 in words is "one hundred thirty million, four hundred fifty-five thousand, eight hundred two".
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