Search a number
-
+
20122331300 = 2252201223313
BaseRepresentation
bin10010101111011000…
…100110100010100100
31220221100201100020122
4102233120212202210
5312202304100200
613124415221112
71311435664631
oct225730464244
956840640218
1020122331300
118596593375
123a96b17798
131b88b39a16
14d8c64b188
157cb882385
hex4af6268a4

20122331300 has 18 divisors (see below), whose sum is σ = 43665459138. Its totient is φ = 8048932480.

The previous prime is 20122331293. The next prime is 20122331371. The reversal of 20122331300 is 313322102.

It can be written as a sum of positive squares in 3 ways, for example, as 141943396 + 19980387904 = 11914^2 + 141352^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100611557 + ... + 100611756.

It is an arithmetic number, because the mean of its divisors is an integer number (2425858841).

Almost surely, 220122331300 is an apocalyptic number.

20122331300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122331300 is an abundant number, since it is smaller than the sum of its proper divisors (23543127838).

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

20122331300 is a wasteful number, since it uses less digits than its factorization.

20122331300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201223327 (or 201223320 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20122331300 its reverse (313322102), we get a palindrome (20435653402).

The spelling of 20122331300 in words is "twenty billion, one hundred twenty-two million, three hundred thirty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 201223313 402446626 804893252 1006116565 2012233130 4024466260 5030582825 10061165650 20122331300