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9420402462431 = 31895557614437
BaseRepresentation
bin1000100100010101101110…
…1111100000111011011111
31020100120201001012200020212
42021011123233200323133
52213320441012244211
632011401222203035
71661413232512112
oct211053357407337
936316631180225
109420402462431
113002196667524
1210818a188347b
13534456399cbc
14247d427b6579
151150a633e38b
hex8915bbe0edf

9420402462431 has 16 divisors (see below), whose sum is σ = 9835333643520. Its totient is φ = 9012448938240.

The previous prime is 9420402462371. The next prime is 9420402462439. The reversal of 9420402462431 is 1342642040249.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9420402462431 is a prime.

It is a super-2 number, since 2×94204024624312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9420402462439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15024545 + ... + 15638981.

It is an arithmetic number, because the mean of its divisors is an integer number (614708352720).

Almost surely, 29420402462431 is an apocalyptic number.

9420402462431 is a deficient number, since it is larger than the sum of its proper divisors (414931181089).

9420402462431 is a wasteful number, since it uses less digits than its factorization.

9420402462431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620114.

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 9420402462431 in words is "nine trillion, four hundred twenty billion, four hundred two million, four hundred sixty-two thousand, four hundred thirty-one".

Divisors: 1 31 89 2759 5557 172267 494573 614437 15331763 19047547 54684893 1695231683 3414426409 105847218679 303883950401 9420402462431