Search a number
-
+
2100334220 = 225317331283
BaseRepresentation
bin111110100110000…
…1000111010001100
312102101011000220022
41331030020322030
513300141143340
6544225241312
7103022355245
oct17514107214
95371130808
102100334220
11988647206
124a7493238
132761a701a
1415cd35ccc
15c45d13b5
hex7d308e8c

2100334220 has 24 divisors (see below), whose sum is σ = 4424629104. Its totient is φ = 837480896.

The previous prime is 2100334213. The next prime is 2100334237. The reversal of 2100334220 is 224330012.

It is a super-2 number, since 2×21003342202 = 8822807671406016800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159302 + ... + 171981.

It is an arithmetic number, because the mean of its divisors is an integer number (184359546).

Almost surely, 22100334220 is an apocalyptic number.

2100334220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100334220 is an abundant number, since it is smaller than the sum of its proper divisors (2324294884).

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

2100334220 is a wasteful number, since it uses less digits than its factorization.

2100334220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331609 (or 331607 counting only the distinct ones).

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

The square root of 2100334220 is about 45829.4034436409. The cubic root of 2100334220 is about 1280.6470971248.

Adding to 2100334220 its reverse (224330012), we get a palindrome (2324664232).

The spelling of 2100334220 in words is "two billion, one hundred million, three hundred thirty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 317 634 1268 1585 3170 6340 331283 662566 1325132 1656415 3312830 6625660 105016711 210033422 420066844 525083555 1050167110 2100334220