Search a number
-
+
100111111120210 = 2510011111112021
BaseRepresentation
bin10110110000110011101111…
…001101110110010101010010
3111010110112021110111021001011
4112300303233031312111102
5101110210023421321320
6552530224243401134
730041534442112231
oct2660635715662522
9433415243437034
10100111111120210
112999797a377353
12b28a2546831aa
1343b258b8b8218
141aa15917cab18
15b891be1e805a
hex5b0cef376552

100111111120210 has 8 divisors (see below), whose sum is σ = 180200000016396. Its totient is φ = 40044444448080.

The previous prime is 100111111120201. The next prime is 100111111120213. The reversal of 100111111120210 is 12021111111001.

It can be written as a sum of positive squares in 2 ways, for example, as 97969433998401 + 2141677121809 = 9897951^2 + 1463447^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (100111111120213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5005555556001 + ... + 5005555556020.

Almost surely, 2100111111120210 is an apocalyptic number.

100111111120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100111111120210 is a deficient number, since it is larger than the sum of its proper divisors (80088888896186).

100111111120210 is a wasteful number, since it uses less digits than its factorization.

100111111120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10011111112028.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 100111111120210 its reverse (12021111111001), we get a palindrome (112132222231211).

The spelling of 100111111120210 in words is "one hundred trillion, one hundred eleven billion, one hundred eleven million, one hundred twenty thousand, two hundred ten".

Divisors: 1 2 5 10 10011111112021 20022222224042 50055555560105 100111111120210