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10042041442 = 25021020721
BaseRepresentation
bin10010101101000110…
…10110010001100010
3221220211212120010211
421112203112101202
5131031230311232
64340243444334
7503564641516
oct112643262142
927824776124
1010042041442
11429351a404
121b430866aa
13c4061a274
146b3988146
153db914a47
hex2568d6462

10042041442 has 4 divisors (see below), whose sum is σ = 15063062166. Its totient is φ = 5021020720.

The previous prime is 10042041407. The next prime is 10042041461. The reversal of 10042041442 is 24414024001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24414024001 = 163011497701.

It can be written as a sum of positive squares in only one way, i.e., 7475504521 + 2566536921 = 86461^2 + 50661^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510510359 + ... + 2510510362.

Almost surely, 210042041442 is an apocalyptic number.

10042041442 is a deficient number, since it is larger than the sum of its proper divisors (5021020724).

10042041442 is an equidigital number, since it uses as much as digits as its factorization.

10042041442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5021020723.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 10042041442 its reverse (24414024001), we get a palindrome (34456065443).

The spelling of 10042041442 in words is "ten billion, forty-two million, forty-one thousand, four hundred forty-two".

Divisors: 1 2 5021020721 10042041442