Search a number
-
+
21403230199 = 1367157281557
BaseRepresentation
bin10011111011101110…
…110101111111110111
32001020121221202012121
4103323232311333313
5322313211331244
613455453300411
71355251312021
oct237356657767
961217852177
1021403230199
1190936246aa
124193a94707
132031317770
1410707d9011
1585404cc84
hex4fbbb5ff7

21403230199 has 32 divisors (see below), whose sum is σ = 23668860096. Its totient is φ = 19234575360.

The previous prime is 21403230193. The next prime is 21403230203. The reversal of 21403230199 is 99103230412.

It is not a de Polignac number, because 21403230199 - 223 = 21394841591 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 (21403230193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38425629 + ... + 38426185.

It is an arithmetic number, because the mean of its divisors is an integer number (739651878).

Almost surely, 221403230199 is an apocalyptic number.

21403230199 is a deficient number, since it is larger than the sum of its proper divisors (2265629897).

21403230199 is a wasteful number, since it uses less digits than its factorization.

21403230199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 21403230199 in words is "twenty-one billion, four hundred three million, two hundred thirty thousand, one hundred ninety-nine".

Divisors: 1 13 67 157 281 557 871 2041 3653 7241 10519 18827 37319 44117 87449 136747 156517 244751 485147 573521 1136837 2034721 2955839 5859083 10486639 24573169 38425907 76168079 136326307 319451197 1646402323 21403230199