Base | Representation |
---|---|
bin | 11100101011110101… |
… | …101011101100001001 |
3 | 2221111112010112010111 |
4 | 130223311223230021 |
5 | 1001034331421240 |
6 | 22052140314321 |
7 | 2140154631613 |
oct | 345365535411 |
9 | 87445115114 |
10 | 30800263945 |
11 | 12075a451a0 |
12 | 5b76b429a1 |
13 | 2b9b10b169 |
14 | 16c2841db3 |
15 | c040041ea |
hex | 72bd6bb09 |
30800263945 has 16 divisors (see below), whose sum is σ = 40477252608. Its totient is φ = 22313021440.
The previous prime is 30800263939. The next prime is 30800263951. The reversal of 30800263945 is 54936200803.
It is an interprime number because it is at equal distance from previous prime (30800263939) and next prime (30800263951).
It is not a de Polignac number, because 30800263945 - 225 = 30766709513 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30800263898 and 30800263907.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1075369 + ... + 1103638.
It is an arithmetic number, because the mean of its divisors is an integer number (2529828288).
Almost surely, 230800263945 is an apocalyptic number.
It is an amenable number.
30800263945 is a deficient number, since it is larger than the sum of its proper divisors (9676988663).
30800263945 is a wasteful number, since it uses less digits than its factorization.
30800263945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2179280.
The product of its (nonzero) digits is 155520, while the sum is 40.
The spelling of 30800263945 in words is "thirty billion, eight hundred million, two hundred sixty-three thousand, nine hundred forty-five".
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