Base | Representation |
---|---|
bin | 1110111001101101100… |
… | …01010111101111110111 |
3 | 1210221121120000000011102 |
4 | 13130312301113233313 |
5 | 31342104111121330 |
6 | 1031115130000315 |
7 | 51664222235144 |
oct | 7346661275767 |
9 | 1727546000142 |
10 | 512020020215 |
11 | 188167a53600 |
12 | 8329657609b |
13 | 3938b4a1c82 |
14 | 1aad37733cb |
15 | d4bb00a945 |
hex | 7736c57bf7 |
512020020215 has 48 divisors (see below), whose sum is σ = 687048505920. Its totient is φ = 365982988800.
The previous prime is 512020020139. The next prime is 512020020221.
It is a happy number.
512020020215 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 512020020215 - 222 = 512015825911 is a prime.
It is a super-2 number, since 2×5120200202152 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8963645 + ... + 9020585.
It is an arithmetic number, because the mean of its divisors is an integer number (14313510540).
Almost surely, 2512020020215 is an apocalyptic number.
512020020215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
512020020215 is a deficient number, since it is larger than the sum of its proper divisors (175028485705).
512020020215 is a wasteful number, since it uses less digits than its factorization.
512020020215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57224 (or 57213 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 20.
It can be divided in two parts, 5120200 and 20215, that added together give a palindrome (5140415).
The spelling of 512020020215 in words is "five hundred twelve billion, twenty million, twenty thousand, two hundred fifteen".
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