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1010412421 = 1741758013
BaseRepresentation
bin111100001110011…
…010101110000101
32121102021021021021
4330032122232011
54032131144141
6244132351141
734016235544
oct7416325605
92542237237
101010412421
11479395897
122424754b1
13131444695
149829c15b
155da8b6d1
hex3c39ab85

1010412421 has 4 divisors (see below), whose sum is σ = 1010487852. Its totient is φ = 1010336992.

The previous prime is 1010412407. The next prime is 1010412433. The reversal of 1010412421 is 1242140101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1242140101 = 7117494931.

It can be written as a sum of positive squares in 2 ways, for example, as 935503396 + 74909025 = 30586^2 + 8655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1010412421 is a prime.

It is a super-2 number, since 2×10104124212 = 2041866521022162482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010412395 and 1010412404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010412521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11590 + ... + 46423.

It is an arithmetic number, because the mean of its divisors is an integer number (252621963).

Almost surely, 21010412421 is an apocalyptic number.

It is an amenable number.

1010412421 is a deficient number, since it is larger than the sum of its proper divisors (75431).

1010412421 is an equidigital number, since it uses as much as digits as its factorization.

1010412421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75430.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1010412421 is about 31786.9850882401. The cubic root of 1010412421 is about 1003.4588297038.

Adding to 1010412421 its reverse (1242140101), we get a palindrome (2252552522).

The spelling of 1010412421 in words is "one billion, ten million, four hundred twelve thousand, four hundred twenty-one".

Divisors: 1 17417 58013 1010412421