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90212031330233 = 1717144233095263
BaseRepresentation
bin10100100000110000100000…
…000101001111011110111001
3102211102012000120102212022012
4110200300200011033132321
543311013220010031413
6515510500212535305
725000414143164321
oct2440604005173671
9384365016385265
1090212031330233
112682078695488a
12a14b842921535
133b44c5bac0a07
14183c3dda1a281
15a6694e1ae7a8
hex520c2014f7b9

90212031330233 has 8 divisors (see below), whose sum is σ = 95518707982848. Its totient is φ = 84905364297024.

The previous prime is 90212031330163. The next prime is 90212031330251. The reversal of 90212031330233 is 33203313021209.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90212031330233 - 216 = 90212031264697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90212031330233.

It is not an unprimeable number, because it can be changed into a prime (90212031332233) 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, 27597560 + ... + 30692822.

It is an arithmetic number, because the mean of its divisors is an integer number (11939838497856).

Almost surely, 290212031330233 is an apocalyptic number.

It is an amenable number.

90212031330233 is a deficient number, since it is larger than the sum of its proper divisors (5306676652615).

90212031330233 is a wasteful number, since it uses less digits than its factorization.

90212031330233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4809703.

The product of its (nonzero) digits is 17496, while the sum is 32.

The spelling of 90212031330233 in words is "ninety trillion, two hundred twelve billion, thirty-one million, three hundred thirty thousand, two hundred thirty-three".

Divisors: 1 17 1714423 3095263 29145191 52619471 5306590078249 90212031330233