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22211045907 = 341457395137
BaseRepresentation
bin10100101011111000…
…011010101000010011
32010022221000001000220
4110223320122220103
5330442011432112
614111551444123
71414260526611
oct245370325023
963287001026
1022211045907
119468613596
12437a526643
13212c7a5c1b
141109bda6b1
1589ee1a98c
hex52be1aa13

22211045907 has 16 divisors (see below), whose sum is σ = 30403498272. Its totient is φ = 14414561280.

The previous prime is 22211045833. The next prime is 22211045911. The reversal of 22211045907 is 70954011222.

It is not a de Polignac number, because 22211045907 - 210 = 22211044883 is a prime.

It is a super-2 number, since 2×222110459072 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22211045917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141358 + ... + 253779.

It is an arithmetic number, because the mean of its divisors is an integer number (1900218642).

Almost surely, 222211045907 is an apocalyptic number.

22211045907 is a deficient number, since it is larger than the sum of its proper divisors (8192452365).

22211045907 is a wasteful number, since it uses less digits than its factorization.

22211045907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395638.

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 22211045907 in words is "twenty-two billion, two hundred eleven million, forty-five thousand, nine hundred seven".

Divisors: 1 3 41 123 457 1371 18737 56211 395137 1185411 16200617 48601851 180577609 541732827 7403681969 22211045907