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42631120633 = 97439496089
BaseRepresentation
bin100111101101000000…
…110100011011111001
311002001000222022110211
4213231000310123321
51144302031330013
631330124511121
73036303355303
oct475500643371
9132030868424
1042631120633
1117097179a02
1283190ab4a1
13403520058a
1420c5bd0973
1511979b323d
hex9ed0346f9

42631120633 has 4 divisors (see below), whose sum is σ = 43070616820. Its totient is φ = 42191624448.

The previous prime is 42631120601. The next prime is 42631120669. The reversal of 42631120633 is 33602113624.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10600143849 + 32030976784 = 102957^2 + 178972^2 .

It is a cyclic number.

It is not a de Polignac number, because 42631120633 - 25 = 42631120601 is a prime.

It is a super-3 number, since 3×426311206333 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42631120595 and 42631120604.

It is not an unprimeable number, because it can be changed into a prime (42631120033) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 219747948 + ... + 219748141.

It is an arithmetic number, because the mean of its divisors is an integer number (10767654205).

Almost surely, 242631120633 is an apocalyptic number.

It is an amenable number.

42631120633 is a deficient number, since it is larger than the sum of its proper divisors (439496187).

42631120633 is an equidigital number, since it uses as much as digits as its factorization.

42631120633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439496186.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 42631120633 in words is "forty-two billion, six hundred thirty-one million, one hundred twenty thousand, six hundred thirty-three".

Divisors: 1 97 439496089 42631120633