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22012000302 = 235773763541
BaseRepresentation
bin10100100000000001…
…000111100000101110
32002211001110110210110
4110200001013200232
5330040033002202
614040121320450
71406322625665
oct244001074056
962731413713
1022012000302
119376222696
124323936126
1320ca494166
1410cb5c5ddc
1588c6ee26c
hex52004782e

22012000302 has 16 divisors (see below), whose sum is σ = 44025455952. Its totient is φ = 7337090880.

The previous prime is 22012000301. The next prime is 22012000321. The reversal of 22012000302 is 20300021022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012000301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314652 + ... + 378192.

It is an arithmetic number, because the mean of its divisors is an integer number (2751590997).

Almost surely, 222012000302 is an apocalyptic number.

22012000302 is an abundant number, since it is smaller than the sum of its proper divisors (22013455650).

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

22012000302 is a wasteful number, since it uses less digits than its factorization.

22012000302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121283.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 22012000302 its reverse (20300021022), we get a palindrome (42312021324).

The spelling of 22012000302 in words is "twenty-two billion, twelve million, three hundred two", and thus it is an aban number.

Divisors: 1 2 3 6 57737 63541 115474 127082 173211 190623 346422 381246 3668666717 7337333434 11006000151 22012000302