Search a number
-
+
442887362885 = 5118052497507
BaseRepresentation
bin1100111000111100010…
…01001101100101000101
31120100011120201010202102
412130132021031211011
524224013131103020
6535243141121445
743666106320262
oct6343611154505
91510146633672
10442887362885
11160911408960
1271a020b9285
13329c1958646
1417616016269
15b7c1b25475
hex671e24d945

442887362885 has 8 divisors (see below), whose sum is σ = 579779820576. Its totient is φ = 322099900240.

The previous prime is 442887362807. The next prime is 442887362947. The reversal of 442887362885 is 588263788244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 442887362885 - 212 = 442887358789 is a prime.

It is a super-2 number, since 2×4428873628852 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4026248699 + ... + 4026248808.

It is an arithmetic number, because the mean of its divisors is an integer number (72472477572).

Almost surely, 2442887362885 is an apocalyptic number.

It is an amenable number.

442887362885 is a deficient number, since it is larger than the sum of its proper divisors (136892457691).

442887362885 is a wasteful number, since it uses less digits than its factorization.

442887362885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8052497523.

The product of its digits is 165150720, while the sum is 65.

The spelling of 442887362885 in words is "four hundred forty-two billion, eight hundred eighty-seven million, three hundred sixty-two thousand, eight hundred eighty-five".

Divisors: 1 5 11 55 8052497507 40262487535 88577472577 442887362885