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90220233413 = 191788359921
BaseRepresentation
bin101010000000110001…
…0111000001011000101
322121212121021201120102
41110001202320023011
52434232334432123
6105240244413445
76342512221322
oct1240142701305
9277777251512
1090220233413
1135297a73782
121559a6a7285
13867a641ccb
14451c269b49
152530881028
hex15018b82c5

90220233413 has 8 divisors (see below), whose sum is σ = 90705609216. Its totient is φ = 89734993600.

The previous prime is 90220233391. The next prime is 90220233431. The reversal of 90220233413 is 31433202209.

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 90220233413 - 214 = 90220217029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90220233443) 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, 1475693 + ... + 1535613.

It is an arithmetic number, because the mean of its divisors is an integer number (11338201152).

Almost surely, 290220233413 is an apocalyptic number.

It is an amenable number.

90220233413 is a deficient number, since it is larger than the sum of its proper divisors (485375803).

90220233413 is a wasteful number, since it uses less digits than its factorization.

90220233413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67995.

The product of its (nonzero) digits is 7776, while the sum is 29.

The spelling of 90220233413 in words is "ninety billion, two hundred twenty million, two hundred thirty-three thousand, four hundred thirteen".

Divisors: 1 191 7883 59921 1505653 11444911 472357243 90220233413