Search a number
-
+
1200311100330 = 23540010370011
BaseRepresentation
bin10001011101111000000…
…111011110001110101010
311020202012202002122101220
4101131320013132032222
5124131214120202310
62315225412322510
7152501554004046
oct21357007361652
94222182078356
101200311100330
1142305a362401
12174765913436
138925bba1144
144214998b026
152135218d670
hex117781de3aa

1200311100330 has 16 divisors (see below), whose sum is σ = 2880746640864. Its totient is φ = 320082960080.

The previous prime is 1200311100301. The next prime is 1200311100343. The reversal of 1200311100330 is 330011130021.

It is a super-2 number, since 2×12003111003302 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 20005184976 + ... + 20005185035.

It is an arithmetic number, because the mean of its divisors is an integer number (180046665054).

Almost surely, 21200311100330 is an apocalyptic number.

1200311100330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200311100330 is an abundant number, since it is smaller than the sum of its proper divisors (1680435540534).

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

1200311100330 is a wasteful number, since it uses less digits than its factorization.

1200311100330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40010370021.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 1200311100330 its reverse (330011130021), we get a palindrome (1530322230351).

The spelling of 1200311100330 in words is "one trillion, two hundred billion, three hundred eleven million, one hundred thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 40010370011 80020740022 120031110033 200051850055 240062220066 400103700110 600155550165 1200311100330