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90647049333 = 330215683111
BaseRepresentation
bin101010001101011111…
…1000011010001110101
322122222100102012221110
41110122333003101311
52441121121034313
6105350452505233
76356214130521
oct1243277032165
9278870365843
1090647049333
1135496994905
121569961b219
138717bb21c9
14455cc10d81
15255808eec3
hex151afc3475

90647049333 has 4 divisors (see below), whose sum is σ = 120862732448. Its totient is φ = 60431366220.

The previous prime is 90647049331. The next prime is 90647049343. The reversal of 90647049333 is 33394074609.

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 not a de Polignac number, because 90647049333 - 21 = 90647049331 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 (90647049331) 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, 15107841553 + ... + 15107841558.

It is an arithmetic number, because the mean of its divisors is an integer number (30215683112).

Almost surely, 290647049333 is an apocalyptic number.

It is an amenable number.

90647049333 is a deficient number, since it is larger than the sum of its proper divisors (30215683115).

90647049333 is a wasteful number, since it uses less digits than its factorization.

90647049333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30215683114.

The product of its (nonzero) digits is 1469664, while the sum is 48.

The spelling of 90647049333 in words is "ninety billion, six hundred forty-seven million, forty-nine thousand, three hundred thirty-three".

Divisors: 1 3 30215683111 90647049333