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20463233504 = 25791353721
BaseRepresentation
bin10011000011101101…
…000010100111100000
31221211010011222011012
4103003231002213200
5313402041433004
613222314040052
71323045420620
oct230355024740
957733158135
1020463233504
118750a6422a
123b71119028
131c11658bbc
14dc1a2a880
157eb77046e
hex4c3b429e0

20463233504 has 24 divisors (see below), whose sum is σ = 46042275888. Its totient is φ = 8769957120.

The previous prime is 20463233503. The next prime is 20463233507. The reversal of 20463233504 is 40533236402.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20463233501) 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, 45676637 + ... + 45677084.

It is an arithmetic number, because the mean of its divisors is an integer number (1918428162).

Almost surely, 220463233504 is an apocalyptic number.

It is an amenable number.

20463233504 is an abundant number, since it is smaller than the sum of its proper divisors (25579042384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20463233504 is an equidigital number, since it uses as much as digits as its factorization.

20463233504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91353738 (or 91353730 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 20463233504 its reverse (40533236402), we get a palindrome (60996469906).

The spelling of 20463233504 in words is "twenty billion, four hundred sixty-three million, two hundred thirty-three thousand, five hundred four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 91353721 182707442 365414884 639476047 730829768 1278952094 1461659536 2557904188 2923319072 5115808376 10231616752 20463233504