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52430312253213 = 3247123948728731
BaseRepresentation
bin10111110101111011000100…
…01000110010011100011101
320212122021210121102111100200
423322331202020302130131
523333004234414100323
6303302053011214113
714020652004631236
oct1372754210623435
9225567717374320
1052430312253213
1115784630458804
125a694195a7339
13233420758888b
14cd38d7d4808d
1560dc7578e443
hex2faf6223271d

52430312253213 has 12 divisors (see below), whose sum is σ = 77344006728768. Its totient is φ = 34209849129480.

The previous prime is 52430312253203. The next prime is 52430312253223. The reversal of 52430312253213 is 31235221303425.

52430312253213 is a `hidden beast` number, since 5 + 2 + 4 + 303 + 1 + 2 + 25 + 321 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (52430312253203) and next prime (52430312253223).

It is not a de Polignac number, because 52430312253213 - 24 = 52430312253197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52430312253203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61974363943 + ... + 61974364788.

It is an arithmetic number, because the mean of its divisors is an integer number (6445333894064).

Almost surely, 252430312253213 is an apocalyptic number.

It is an amenable number.

52430312253213 is a deficient number, since it is larger than the sum of its proper divisors (24913694475555).

52430312253213 is a wasteful number, since it uses less digits than its factorization.

52430312253213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123948728784 (or 123948728781 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 52430312253213 its reverse (31235221303425), we get a palindrome (83665533556638).

The spelling of 52430312253213 in words is "fifty-two trillion, four hundred thirty billion, three hundred twelve million, two hundred fifty-three thousand, two hundred thirteen".

Divisors: 1 3 9 47 141 423 123948728731 371846186193 1115538558579 5825590250357 17476770751071 52430312253213