Search a number
-
+
909100090910 = 25119091909091
BaseRepresentation
bin11010011101010101001…
…01101000011000011110
310012220112202012121011102
431032222211220120132
5104343314110402120
61533345041553102
7122452230162554
oct15165245503036
93186482177142
10909100090910
11320602334890
12128233945792
136795cbb239b
1432001c13bd4
15189ab3c9d75
hexd3aa96861e

909100090910 has 32 divisors (see below), whose sum is σ = 1785340324224. Its totient is φ = 330545124000.

The previous prime is 909100090849. The next prime is 909100090939. The reversal of 909100090910 is 19090001909.

It is a happy number.

909100090910 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545465 + ... + 1454555.

It is an arithmetic number, because the mean of its divisors is an integer number (55791885132).

Almost surely, 2909100090910 is an apocalyptic number.

909100090910 is a deficient number, since it is larger than the sum of its proper divisors (876240233314).

909100090910 is a wasteful number, since it uses less digits than its factorization.

909100090910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918200.

The product of its (nonzero) digits is 6561, while the sum is 38.

It can be divided in two parts, 9091000 and 90910, that multiplied together give a square (826462810000 = 9091002).

The spelling of 909100090910 in words is "nine hundred nine billion, one hundred million, ninety thousand, nine hundred ten".

Divisors: 1 2 5 10 11 22 55 110 9091 18182 45455 90910 100001 200002 500005 909091 1000010 1818182 4545455 9090910 10000001 20000002 50000005 100000010 8264546281 16529092562 41322731405 82645462810 90910009091 181820018182 454550045455 909100090910