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22202042432 = 261720406289
BaseRepresentation
bin10100101011010110…
…000100100001000000
32010022022001121120212
4110223112010201000
5330432210324212
614111030453252
71414121150453
oct245326044100
963268047525
1022202042432
1194635240a9
124377504228
13212a972b1b
14110893549a
1589e23ce22
hex52b584840

22202042432 has 28 divisors (see below), whose sum is σ = 46648778940. Its totient is φ = 10448019456.

The previous prime is 22202042399. The next prime is 22202042441. The reversal of 22202042432 is 23424020222.

It can be written as a sum of positive squares in 2 ways, for example, as 10343703616 + 11858338816 = 101704^2 + 108896^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22202042398 and 22202042407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10202057 + ... + 10204232.

Almost surely, 222202042432 is an apocalyptic number.

It is an amenable number.

22202042432 is an abundant number, since it is smaller than the sum of its proper divisors (24446736508).

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

22202042432 is a wasteful number, since it uses less digits than its factorization.

22202042432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20406318 (or 20406308 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 22202042432 its reverse (23424020222), we get a palindrome (45626062654).

The spelling of 22202042432 in words is "twenty-two billion, two hundred two million, forty-two thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 17 32 34 64 68 136 272 544 1088 20406289 40812578 81625156 163250312 326500624 346906913 653001248 693813826 1306002496 1387627652 2775255304 5550510608 11101021216 22202042432