Base | Representation |
---|---|
bin | 10100100000100000… |
… | …110100101111011110 |
3 | 2002211122002202100020 |
4 | 110200200310233132 |
5 | 330044144441110 |
6 | 14041015413010 |
7 | 1406453364303 |
oct | 244040645736 |
9 | 62748082306 |
10 | 22020312030 |
11 | 937a98a392 |
12 | 4326684166 |
13 | 20cc114442 |
14 | 10cc74b0aa |
15 | 88d2e1d70 |
hex | 520834bde |
22020312030 has 32 divisors (see below), whose sum is σ = 53572709664. Its totient is φ = 5791643136.
The previous prime is 22020311909. The next prime is 22020312047. The reversal of 22020312030 is 3021302022.
It is a Harshad number since it is a multiple of its sum of digits (15).
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, 5025279 + ... + 5029658.
It is an arithmetic number, because the mean of its divisors is an integer number (1674147177).
Almost surely, 222020312030 is an apocalyptic number.
22020312030 is an abundant number, since it is smaller than the sum of its proper divisors (31552397634).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22020312030 is a wasteful number, since it uses less digits than its factorization.
22020312030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10055020.
The product of its (nonzero) digits is 144, while the sum is 15.
Adding to 22020312030 its reverse (3021302022), we get a palindrome (25041614052).
The spelling of 22020312030 in words is "twenty-two billion, twenty million, three hundred twelve thousand, thirty".
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