Base | Representation |
---|---|
bin | 10010111100100001… |
… | …000011110010110000 |
3 | 1221111201021210112112 |
4 | 102330201003302300 |
5 | 313130204331310 |
6 | 13202325344452 |
7 | 1320052455362 |
oct | 227441036260 |
9 | 57451253475 |
10 | 20342652080 |
11 | 8699995663 |
12 | 3b38868128 |
13 | 1bc268a44a |
14 | dad9dcd32 |
15 | 7e0da2705 |
hex | 4bc843cb0 |
20342652080 has 20 divisors (see below), whose sum is σ = 47296666272. Its totient is φ = 8137060800.
The previous prime is 20342652049. The next prime is 20342652089. The reversal of 20342652080 is 8025624302.
It is a tau number, because it is divible by the number of its divisors (20).
It is not an unprimeable number, because it can be changed into a prime (20342652089) 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, 127141496 + ... + 127141655.
Almost surely, 220342652080 is an apocalyptic number.
20342652080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20342652080 is an abundant number, since it is smaller than the sum of its proper divisors (26954014192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20342652080 is a wasteful number, since it uses less digits than its factorization.
20342652080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 254283164 (or 254283158 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 32.
The spelling of 20342652080 in words is "twenty billion, three hundred forty-two million, six hundred fifty-two thousand, eighty".
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