Base | Representation |
---|---|
bin | 10011001000000111… |
… | …100100000100000011 |
3 | 1222000021112200120112 |
4 | 103020013210010003 |
5 | 314030021420412 |
6 | 13233521301535 |
7 | 1324635061640 |
oct | 231007440403 |
9 | 58007480515 |
10 | 20537295107 |
11 | 878984986a |
12 | 3b91a948ab |
13 | 1c23aba334 |
14 | dcb7c8dc7 |
15 | 802eee722 |
hex | 4c81e4103 |
20537295107 has 8 divisors (see below), whose sum is σ = 23472372576. Its totient is φ = 17602512192.
The previous prime is 20537295101. The next prime is 20537295133. The reversal of 20537295107 is 70159273502.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20537295107 - 24 = 20537295091 is a prime.
It is a super-2 number, since 2×205372951072 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20537295101) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104513 + ... + 228029.
It is an arithmetic number, because the mean of its divisors is an integer number (2934046572).
Almost surely, 220537295107 is an apocalyptic number.
20537295107 is a deficient number, since it is larger than the sum of its proper divisors (2935077469).
20537295107 is a wasteful number, since it uses less digits than its factorization.
20537295107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147277.
The product of its (nonzero) digits is 132300, while the sum is 41.
The spelling of 20537295107 in words is "twenty billion, five hundred thirty-seven million, two hundred ninety-five thousand, one hundred seven".
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