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5231613421 = 83607103841
BaseRepresentation
bin1001101111101010…
…00001010111101101
3111111121012111110001
410313311001113231
541203243112141
62223043344301
7243433660156
oct46765012755
914447174401
105231613421
112245122661
121020082091
13654b34358
14378b5292d
15209457a31
hex137d415ed

5231613421 has 8 divisors (see below), whose sum is σ = 5303418624. Its totient is φ = 5160017280.

The previous prime is 5231613391. The next prime is 5231613437. The reversal of 5231613421 is 1243161325.

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 5231613421 - 27 = 5231613293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5231613421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5231613451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1540 + ... + 102301.

It is an arithmetic number, because the mean of its divisors is an integer number (662927328).

Almost surely, 25231613421 is an apocalyptic number.

It is an amenable number.

5231613421 is a deficient number, since it is larger than the sum of its proper divisors (71805203).

5231613421 is a wasteful number, since it uses less digits than its factorization.

5231613421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104531.

The product of its digits is 4320, while the sum is 28.

The square root of 5231613421 is about 72329.8929972940. The cubic root of 5231613421 is about 1735.9819892595.

Adding to 5231613421 its reverse (1243161325), we get a palindrome (6474774746).

The spelling of 5231613421 in words is "five billion, two hundred thirty-one million, six hundred thirteen thousand, four hundred twenty-one".

Divisors: 1 83 607 50381 103841 8618803 63031487 5231613421