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20403130102 = 222944548319
BaseRepresentation
bin10011000000000111…
…110000111011110110
31221122221002101210021
4103000013300323312
5313241200130402
613212325515354
71321415513215
oct230007607366
957587071707
1020403130102
1187200426a3
123b54b72b5a
131c02073b64
14db7a6307c
157e634bd37
hex4c01f0ef6

20403130102 has 8 divisors (see below), whose sum is σ = 30738340800. Its totient is φ = 10157016504.

The previous prime is 20403130081. The next prime is 20403130103. The reversal of 20403130102 is 20103130402.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20403130103) 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 3 ways as a sum of consecutive naturals, for example, 22273702 + ... + 22274617.

It is an arithmetic number, because the mean of its divisors is an integer number (3842292600).

Almost surely, 220403130102 is an apocalyptic number.

20403130102 is a deficient number, since it is larger than the sum of its proper divisors (10335210698).

20403130102 is a wasteful number, since it uses less digits than its factorization.

20403130102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44548550.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20403130102 its reverse (20103130402), we get a palindrome (40506260504).

The spelling of 20403130102 in words is "twenty billion, four hundred three million, one hundred thirty thousand, one hundred two".

Divisors: 1 2 229 458 44548319 89096638 10201565051 20403130102