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331025428537 = 3478681109891
BaseRepresentation
bin1001101000100101010…
…01110011000000111001
31011122102201202002121221
410310102221303000321
520410420002203122
6412023155432041
732626055500636
oct4642251630071
91148381662557
10331025428537
11118429251a31
12541a38b5621
13252a579514b
141204383718d
15892633d6c7
hex4d12a73039

331025428537 has 8 divisors (see below), whose sum is σ = 332020655712. Its totient is φ = 330030439200.

The previous prime is 331025428529. The next prime is 331025428543. The reversal of 331025428537 is 735824520133.

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 331025428537 - 23 = 331025428529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331025428493 and 331025428502.

It is not an unprimeable number, because it can be changed into a prime (331025428507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2957362 + ... + 3067252.

It is an arithmetic number, because the mean of its divisors is an integer number (41502581964).

Almost surely, 2331025428537 is an apocalyptic number.

It is an amenable number.

331025428537 is a deficient number, since it is larger than the sum of its proper divisors (995227175).

331025428537 is a wasteful number, since it uses less digits than its factorization.

331025428537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118919.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 331025428537 in words is "three hundred thirty-one billion, twenty-five million, four hundred twenty-eight thousand, five hundred thirty-seven".

Divisors: 1 347 8681 109891 3012307 38132177 953963771 331025428537