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42452221311 = 331572304493
BaseRepresentation
bin100111100010010110…
…010111110101111111
311001120120100021202000
4213202112113311333
51143420232040221
631300254233343
73032001633033
oct474226276577
9131516307660
1042452221311
1117005199225
1282891b5853
1340071236a6
1420aa1421c3
151186e25e26
hex9e2597d7f

42452221311 has 8 divisors (see below), whose sum is σ = 62892179760. Its totient is φ = 28301480856.

The previous prime is 42452221309. The next prime is 42452221403. The reversal of 42452221311 is 11312225424.

42452221311 is a `hidden beast` number, since 4 + 2 + 4 + 522 + 2 + 131 + 1 = 666.

It is not a de Polignac number, because 42452221311 - 21 = 42452221309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1572304493 = 42452221311 / (4 + 2 + 4 + 5 + 2 + 2 + 2 + 1 + 3 + 1 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42452222311) 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, 786152220 + ... + 786152273.

It is an arithmetic number, because the mean of its divisors is an integer number (7861522470).

Almost surely, 242452221311 is an apocalyptic number.

42452221311 is a deficient number, since it is larger than the sum of its proper divisors (20439958449).

42452221311 is a wasteful number, since it uses less digits than its factorization.

42452221311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572304502 (or 1572304496 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

Adding to 42452221311 its reverse (11312225424), we get a palindrome (53764446735).

The spelling of 42452221311 in words is "forty-two billion, four hundred fifty-two million, two hundred twenty-one thousand, three hundred eleven".

Divisors: 1 3 9 27 1572304493 4716913479 14150740437 42452221311