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530331021251 = 12714928025737
BaseRepresentation
bin1111011011110100011…
…00010010111111000011
31212200212200101020101222
413231322030102333003
532142104220140001
61043344122145255
753213045205623
oct7557214227703
91780780336358
10530331021251
11194a04043709
128694695222b
133b018c82725
141b94d5d8883
15dbdd84761b
hex7b7a312fc3

530331021251 has 8 divisors (see below), whose sum is σ = 538094169600. Its totient is φ = 522623924928.

The previous prime is 530331021211. The next prime is 530331021257. The reversal of 530331021251 is 152120133035.

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 530331021251 - 218 = 530330759107 is a prime.

It is a super-2 number, since 2×5303310212512 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 530331021251.

It is not an unprimeable number, because it can be changed into a prime (530331021257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13993946 + ... + 14031791.

It is an arithmetic number, because the mean of its divisors is an integer number (67261771200).

Almost surely, 2530331021251 is an apocalyptic number.

530331021251 is a deficient number, since it is larger than the sum of its proper divisors (7763148349).

530331021251 is a wasteful number, since it uses less digits than its factorization.

530331021251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28026013.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 530331021251 its reverse (152120133035), we get a palindrome (682451154286).

The spelling of 530331021251 in words is "five hundred thirty billion, three hundred thirty-one million, twenty-one thousand, two hundred fifty-one".

Divisors: 1 127 149 18923 28025737 3559268599 4175834813 530331021251