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20432293463 = 537313937993
BaseRepresentation
bin10011000001110111…
…000000111001010111
31221201221222001101202
4103001313000321113
5313321131342323
613215250543115
71322221425461
oct230167007127
957657861352
1020432293463
11873555154a
123b62897a9b
131c0811509a
14dbb895131
157e8bacd28
hex4c1dc0e57

20432293463 has 16 divisors (see below), whose sum is σ = 21255363360. Its totient is φ = 19629402624.

The previous prime is 20432293433. The next prime is 20432293493. The reversal of 20432293463 is 36439223402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20432293433) and next prime (20432293493).

It is a cyclic number.

It is not a de Polignac number, because 20432293463 - 216 = 20432227927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20432293423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518795 + ... + 556787.

It is an arithmetic number, because the mean of its divisors is an integer number (1328460210).

Almost surely, 220432293463 is an apocalyptic number.

20432293463 is a deficient number, since it is larger than the sum of its proper divisors (823069897).

20432293463 is a wasteful number, since it uses less digits than its factorization.

20432293463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38258.

The product of its (nonzero) digits is 186624, while the sum is 38.

The spelling of 20432293463 in words is "twenty billion, four hundred thirty-two million, two hundred ninety-three thousand, four hundred sixty-three".

Divisors: 1 53 73 139 3869 7367 10147 37993 537791 2013629 2773489 5281027 146994917 279894431 385514971 20432293463