Base | Representation |
---|---|
bin | 1001010011110000110011… |
… | …01110010100001100011011 |
3 | 2200110221021121201101200220 |
4 | 10221320121232110030123 |
5 | 10140341030400020400 |
6 | 111311522343331123 |
7 | 4211632525404060 |
oct | 451703156241433 |
9 | 80427247641626 |
10 | 20470245704475 |
11 | 6582423050956 |
12 | 236732ba50aa3 |
13 | b56449c36b88 |
14 | 50aa9d914c67 |
15 | 2577287267a0 |
hex | 129e19b9431b |
20470245704475 has 192 divisors, whose sum is σ = 40330528680960. Its totient is φ = 8966707200000.
The previous prime is 20470245704429. The next prime is 20470245704543. The reversal of 20470245704475 is 57440754207402.
It is not a de Polignac number, because 20470245704475 - 217 = 20470245573403 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1525233265 + ... + 1525246685.
It is an arithmetic number, because the mean of its divisors is an integer number (210054836880).
Almost surely, 220470245704475 is an apocalyptic number.
20470245704475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
20470245704475 is a deficient number, since it is larger than the sum of its proper divisors (19860282976485).
20470245704475 is a wasteful number, since it uses less digits than its factorization.
20470245704475 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14742 (or 14737 counting only the distinct ones).
The product of its (nonzero) digits is 8780800, while the sum is 51.
The spelling of 20470245704475 in words is "twenty trillion, four hundred seventy billion, two hundred forty-five million, seven hundred four thousand, four hundred seventy-five".
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