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52240523100151 = 311685178164521
BaseRepresentation
bin10111110000011001100011…
…10100100111111111110111
320211222010220212122120121111
423320030301310213333313
523321402042403201101
6303034544235055451
714001152601511261
oct1370146164477767
9224863825576544
1052240523100151
1115711099422a91
125a386915a1587
13231c34c83b389
14cc8651dd2b31
15608d68976251
hex2f8331d27ff7

52240523100151 has 4 divisors (see below), whose sum is σ = 53925701264704. Its totient is φ = 50555344935600.

The previous prime is 52240523100127. The next prime is 52240523100223. The reversal of 52240523100151 is 15100132504225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52240523100151 - 27 = 52240523100023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 1685178164521 = 52240523100151 / (5 + 2 + 2 + 4 + 0 + 5 + 2 + 3 + 1 + 0 + 0 + 1 + 5 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52240523100551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842589082230 + ... + 842589082291.

It is an arithmetic number, because the mean of its divisors is an integer number (13481425316176).

Almost surely, 252240523100151 is an apocalyptic number.

52240523100151 is a deficient number, since it is larger than the sum of its proper divisors (1685178164553).

52240523100151 is a wasteful number, since it uses less digits than its factorization.

52240523100151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685178164552.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 52240523100151 its reverse (15100132504225), we get a palindrome (67340655604376).

The spelling of 52240523100151 in words is "fifty-two trillion, two hundred forty billion, five hundred twenty-three million, one hundred thousand, one hundred fifty-one".

Divisors: 1 31 1685178164521 52240523100151