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103403192320 = 21551959563
BaseRepresentation
bin110000001001101001…
…1111000000000000000
3100212220100100102110201
41200103103320000000
53143232204123240
6115300333134544
710320266430001
oct1402323700000
9325810312421
10103403192320
113a94245193a
121805962a454
13999b8b25cc
14500d01d1a8
152a52dc2d9a
hex18134f8000

103403192320 has 256 divisors, whose sum is σ = 266124528000. Its totient is φ = 38451806208.

The previous prime is 103403192273. The next prime is 103403192323. The reversal of 103403192320 is 23291304301.

It is a tau number, because it is divible by the number of its divisors (256).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103403192323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183664359 + ... + 183664921.

Almost surely, 2103403192320 is an apocalyptic number.

103403192320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103403192320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133062264000).

103403192320 is an abundant number, since it is smaller than the sum of its proper divisors (162721335680).

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

103403192320 is an frugal number, since it uses more digits than its factorization.

103403192320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 648 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 103403192320 its reverse (23291304301), we get a palindrome (126694496621).

The spelling of 103403192320 in words is "one hundred three billion, four hundred three million, one hundred ninety-two thousand, three hundred twenty".