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90060226418 = 22122032
BaseRepresentation
bin101001111100000000…
…0011111111101110010
322121110110012112020102
41103320000133331302
52433420404221133
6105212331112402
76335530202531
oct1237000377562
9277413175212
1090060226418
1135215717098
1215554ba2702
13865344b306
144504cd8318
1525217c67e8
hex14f801ff72

90060226418 has 6 divisors (see below), whose sum is σ = 135090976239. Its totient is φ = 45029901006.

The previous prime is 90060226411. The next prime is 90060226429. The reversal of 90060226418 is 81462206009.

It can be written as a sum of positive squares in only one way, i.e., 45030113209 + 45030113209 = 212203^2 + 212203^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=212203.

It is a super-2 number, since 2×900602264182 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90060226411) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 318305 + ... + 530507.

Almost surely, 290060226418 is an apocalyptic number.

90060226418 is a deficient number, since it is larger than the sum of its proper divisors (45030749821).

90060226418 is an frugal number, since it uses more digits than its factorization.

90060226418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424408 (or 212205 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 90060226418 in words is "ninety billion, sixty million, two hundred twenty-six thousand, four hundred eighteen".

Divisors: 1 2 212203 424406 45030113209 90060226418