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22450381202 = 2101210492
BaseRepresentation
bin10100111010001001…
…011010000110010010
32010221121100112100002
4110322021122012102
5331434244144302
614151421330002
71423225043264
oct247211320622
963847315302
1022450381202
119580722757
124426706902
13216a253342
14112d8dbb34
158b5e44c02
hex53a25a192

22450381202 has 18 divisors (see below), whose sum is σ = 34044748959. Its totient is φ = 11103455200.

The previous prime is 22450381153. The next prime is 22450381249. The reversal of 22450381202 is 20218305422.

It can be written as a sum of positive squares in 5 ways, for example, as 20782393921 + 1667987281 = 144161^2 + 40841^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=105949.

It is a super-2 number, since 2×224503812022 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21401174 + ... + 21402222.

Almost surely, 222450381202 is an apocalyptic number.

22450381202 is a deficient number, since it is larger than the sum of its proper divisors (11594367757).

22450381202 is an frugal number, since it uses more digits than its factorization.

22450381202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 22450381202 its reverse (20218305422), we get a palindrome (42668686624).

The spelling of 22450381202 in words is "twenty-two billion, four hundred fifty million, three hundred eighty-one thousand, two hundred two".

Divisors: 1 2 101 202 1049 2098 10201 20402 105949 211898 1100401 2200802 10700849 21401698 111140501 222281002 11225190601 22450381202