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7472138302831 is a prime number
BaseRepresentation
bin110110010111011111000…
…1001100011010101101111
3222110022220011110211021211
41230232332021203111233
51434410414401142311
623520353011535251
71400562360424006
oct154567611432557
928408804424254
107472138302831
112420a09301334
12a08197bba527
134228093c0357
141bb920dcbc3d
15ce57a2d9821
hex6cbbe26356f

7472138302831 has 2 divisors, whose sum is σ = 7472138302832. Its totient is φ = 7472138302830.

The previous prime is 7472138302813. The next prime is 7472138302843. The reversal of 7472138302831 is 1382038312747.

Together with previous prime (7472138302813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7472138302831 - 27 = 7472138302703 is a prime.

It is a super-2 number, since 2×74721383028312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7472138302801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3736069151415 + 3736069151416.

It is an arithmetic number, because the mean of its divisors is an integer number (3736069151416).

Almost surely, 27472138302831 is an apocalyptic number.

7472138302831 is a deficient number, since it is larger than the sum of its proper divisors (1).

7472138302831 is an equidigital number, since it uses as much as digits as its factorization.

7472138302831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 7472138302831 in words is "seven trillion, four hundred seventy-two billion, one hundred thirty-eight million, three hundred two thousand, eight hundred thirty-one".