Base | Representation |
---|---|
bin | 1111000001001011100… |
… | …1111000100101010100 |
3 | 220122222112010021201112 |
4 | 3300102321320211110 |
5 | 13211403342422440 |
6 | 314310333114152 |
7 | 24432600012341 |
oct | 3602271704524 |
9 | 818875107645 |
10 | 258015201620 |
11 | 9a472944920 |
12 | 42008928958 |
13 | 1b43b7c5347 |
14 | c6b91157c8 |
15 | 6aa1818965 |
hex | 3c12e78954 |
258015201620 has 48 divisors (see below), whose sum is σ = 610156786176. Its totient is φ = 90797136000.
The previous prime is 258015201551. The next prime is 258015201667. The reversal of 258015201620 is 26102510852.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18909251 + ... + 18922890.
It is an arithmetic number, because the mean of its divisors is an integer number (12711599712).
Almost surely, 2258015201620 is an apocalyptic number.
258015201620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
258015201620 is an abundant number, since it is smaller than the sum of its proper divisors (352141584556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
258015201620 is a wasteful number, since it uses less digits than its factorization.
258015201620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37832192 (or 37832190 counting only the distinct ones).
The product of its (nonzero) digits is 9600, while the sum is 32.
The spelling of 258015201620 in words is "two hundred fifty-eight billion, fifteen million, two hundred one thousand, six hundred twenty".
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