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10420433442 = 232578912969
BaseRepresentation
bin10011011010001101…
…10011001000100010
3222220012212212101100
421231012303020202
5132320112332232
64442002015230
7516141136266
oct115506631042
928805785340
1010420433442
114468076971
122029947516
13ca0b34563
1470bd260a6
1540ec5ac7c
hex26d1b3222

10420433442 has 12 divisors (see below), whose sum is σ = 22577605830. Its totient is φ = 3473477808.

The previous prime is 10420433431. The next prime is 10420433447. The reversal of 10420433442 is 24433402401.

It is a happy number.

10420433442 is a `hidden beast` number, since 10 + 4 + 204 + 3 + 3 + 442 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9601844121 + 818589321 = 97989^2 + 28611^2 .

It is not an unprimeable number, because it can be changed into a prime (10420433447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 289456467 + ... + 289456502.

Almost surely, 210420433442 is an apocalyptic number.

10420433442 is an abundant number, since it is smaller than the sum of its proper divisors (12157172388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10420433442 is a wasteful number, since it uses less digits than its factorization.

10420433442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578912977 (or 578912974 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 10420433442 its reverse (24433402401), we get a palindrome (34853835843).

The spelling of 10420433442 in words is "ten billion, four hundred twenty million, four hundred thirty-three thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 578912969 1157825938 1736738907 3473477814 5210216721 10420433442