Base | Representation |
---|---|
bin | 10010111001100011… |
… | …001101010001011001 |
3 | 1221101020122021221110 |
4 | 102321203031101121 |
5 | 313024434233140 |
6 | 13153350530533 |
7 | 1315606443534 |
oct | 227143152131 |
9 | 57336567843 |
10 | 20292883545 |
11 | 8673892840 |
12 | 3b24066a49 |
13 | 1bb52834cc |
14 | da7165a1b |
15 | 7db821380 |
hex | 4b98cd459 |
20292883545 has 64 divisors (see below), whose sum is σ = 37020291840. Its totient is φ = 9401548800.
The previous prime is 20292883543. The next prime is 20292883547. The reversal of 20292883545 is 54538829202.
It is an interprime number because it is at equal distance from previous prime (20292883543) and next prime (20292883547).
It is not a de Polignac number, because 20292883545 - 21 = 20292883543 is a prime.
It is a super-2 number, since 2×202928835452 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20292883494 and 20292883503.
It is not an unprimeable number, because it can be changed into a prime (20292883543) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 442285 + ... + 486005.
It is an arithmetic number, because the mean of its divisors is an integer number (578442060).
Almost surely, 220292883545 is an apocalyptic number.
It is an amenable number.
20292883545 is a deficient number, since it is larger than the sum of its proper divisors (16727408295).
20292883545 is a wasteful number, since it uses less digits than its factorization.
20292883545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43866.
The product of its (nonzero) digits is 1382400, while the sum is 48.
The spelling of 20292883545 in words is "twenty billion, two hundred ninety-two million, eight hundred eighty-three thousand, five hundred forty-five".
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