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390870288471 = 31310022315089
BaseRepresentation
bin1011011000000011010…
…11110100100001010111
31101100220102101222012210
411230001223310201113
522401000243212341
6455321402444503
740145062430145
oct5540153644127
91340812358183
10390870288471
111408490a6a63
1263905803733
132ab22043980
1414cbd864595
15a27a148c16
hex5b01af4857

390870288471 has 8 divisors (see below), whose sum is σ = 561249645040. Its totient is φ = 240535562112.

The previous prime is 390870288421. The next prime is 390870288481. The reversal of 390870288471 is 174882078093.

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

It is not a de Polignac number, because 390870288471 - 217 = 390870157399 is a prime.

It is a super-3 number, since 3×3908702884713 (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390870288421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5011157506 + ... + 5011157583.

It is an arithmetic number, because the mean of its divisors is an integer number (70156205630).

Almost surely, 2390870288471 is an apocalyptic number.

390870288471 is a deficient number, since it is larger than the sum of its proper divisors (170379356569).

390870288471 is a wasteful number, since it uses less digits than its factorization.

390870288471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10022315105.

The product of its (nonzero) digits is 5419008, while the sum is 57.

The spelling of 390870288471 in words is "three hundred ninety billion, eight hundred seventy million, two hundred eighty-eight thousand, four hundred seventy-one".

Divisors: 1 3 13 39 10022315089 30066945267 130290096157 390870288471