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402442143113 = 1926681793867
BaseRepresentation
bin1011101101100110110…
…10111100010110001001
31102110202212220002112202
411312303122330112021
523043200142034423
6504513535445545
741034614526533
oct5666332742611
91373685802482
10402442143113
1114574710969a
1265bb50868b5
132bc4759113a
141569a672853
15a705ee6728
hex5db36bc589

402442143113 has 8 divisors (see below), whose sum is σ = 423639719520. Its totient is φ = 381246207840.

The previous prime is 402442143071. The next prime is 402442143121. The reversal of 402442143113 is 311341244204.

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

It is a cyclic number.

It is not a de Polignac number, because 402442143113 - 28 = 402442142857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402442143193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110006 + ... + 903872.

It is an arithmetic number, because the mean of its divisors is an integer number (52954964940).

Almost surely, 2402442143113 is an apocalyptic number.

It is an amenable number.

402442143113 is a deficient number, since it is larger than the sum of its proper divisors (21197576407).

402442143113 is a wasteful number, since it uses less digits than its factorization.

402442143113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820567.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 402442143113 its reverse (311341244204), we get a palindrome (713783387317).

The spelling of 402442143113 in words is "four hundred two billion, four hundred forty-two million, one hundred forty-three thousand, one hundred thirteen".

Divisors: 1 19 26681 506939 793867 15083473 21181165427 402442143113