Search a number
-
+
22012430300 = 2252731446329
BaseRepresentation
bin10100100000000010…
…110000011111011100
32002211002021022122022
4110200002300133130
5330040140232200
614040134435312
71406326366430
oct244002603734
962732238568
1022012430300
119376496763
124323b02b38
1320ca5b4ab3
1410cb6989c0
1588c786885
hex5200b07dc

22012430300 has 36 divisors (see below), whose sum is σ = 54590828880. Its totient is φ = 7547118720.

The previous prime is 22012430291. The next prime is 22012430317. The reversal of 22012430300 is 303421022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15722465 + ... + 15723864.

Almost surely, 222012430300 is an apocalyptic number.

22012430300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012430300 is an abundant number, since it is smaller than the sum of its proper divisors (32578398580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22012430300 is a wasteful number, since it uses less digits than its factorization.

22012430300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31446350 (or 31446343 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 22012430300 its reverse (303421022), we get a palindrome (22315851322).

The spelling of 22012430300 in words is "twenty-two billion, twelve million, four hundred thirty thousand, three hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 31446329 62892658 125785316 157231645 220124303 314463290 440248606 628926580 786158225 880497212 1100621515 1572316450 2201243030 3144632900 4402486060 5503107575 11006215150 22012430300