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90220200001 = 194748431579
BaseRepresentation
bin101010000000110001…
…0110000000001000001
322121212121020000201221
41110001202300001001
52434232332400001
6105240243555041
76342512022031
oct1240142600101
9277777200657
1090220200001
1135297a50668
121559a68ba81
13867a62ca39
14451c25b8c1
1525308761a1
hex15018b0041

90220200001 has 4 divisors (see below), whose sum is σ = 94968631600. Its totient is φ = 85471768404.

The previous prime is 90220199989. The next prime is 90220200017. The reversal of 90220200001 is 10000202209.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90220200001 - 25 = 90220199969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90220200701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2374215771 + ... + 2374215808.

It is an arithmetic number, because the mean of its divisors is an integer number (23742157900).

Almost surely, 290220200001 is an apocalyptic number.

It is an amenable number.

90220200001 is a deficient number, since it is larger than the sum of its proper divisors (4748431599).

90220200001 is a wasteful number, since it uses less digits than its factorization.

90220200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4748431598.

The product of its (nonzero) digits is 72, while the sum is 16.

The spelling of 90220200001 in words is "ninety billion, two hundred twenty million, two hundred thousand, one".

Divisors: 1 19 4748431579 90220200001