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285327631031397 = 3267735528281787
BaseRepresentation
bin100000011100000010000010…
…0000101111001110001100101
31101102021001111012012001201220
41000320010010011321301211
5244344301442021001042
62450501412032410553
7114046145454140553
oct10070040405716145
91342231435161656
10285327631031397
1182a06850272089
12280024a63a6a59
13c329384666976
145065d06a48bd3
1522ec05e53a8ec
hex1038104179c65

285327631031397 has 8 divisors (see below), whose sum is σ = 380578954513056. Its totient is φ = 190147364118672.

The previous prime is 285327631031357. The next prime is 285327631031419. The reversal of 285327631031397 is 793130136723582.

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

It is not a de Polignac number, because 285327631031397 - 222 = 285327626837093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 285327631031397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285327631031357) 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, 17764132863 + ... + 17764148924.

It is an arithmetic number, because the mean of its divisors is an integer number (47572369314132).

Almost surely, 2285327631031397 is an apocalyptic number.

It is an amenable number.

285327631031397 is a deficient number, since it is larger than the sum of its proper divisors (95251323481659).

285327631031397 is a wasteful number, since it uses less digits than its factorization.

285327631031397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35528284467.

The product of its (nonzero) digits is 34292160, while the sum is 60.

The spelling of 285327631031397 in words is "two hundred eighty-five trillion, three hundred twenty-seven billion, six hundred thirty-one million, thirty-one thousand, three hundred ninety-seven".

Divisors: 1 3 2677 8031 35528281787 106584845361 95109210343799 285327631031397