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19250423101 = 713216272547
BaseRepresentation
bin10001111011011010…
…100010010100111101
31211200121001211001101
4101323122202110331
5303411102014401
612502111213101
71251020616340
oct217332422475
954617054041
1019250423101
1181893a8888
123892b17191
131a7a2ca900
14d08924457
1577a054101
hex47b6a253d

19250423101 has 12 divisors (see below), whose sum is σ = 23823010272. Its totient is φ = 15231103056.

The previous prime is 19250423081. The next prime is 19250423117. The reversal of 19250423101 is 10132405291.

It is not a de Polignac number, because 19250423101 - 27 = 19250422973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19250423101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19250423131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8135091 + ... + 8137456.

It is an arithmetic number, because the mean of its divisors is an integer number (1985250856).

Almost surely, 219250423101 is an apocalyptic number.

It is an amenable number.

19250423101 is a deficient number, since it is larger than the sum of its proper divisors (4572587171).

19250423101 is a wasteful number, since it uses less digits than its factorization.

19250423101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16272580 (or 16272567 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 19250423101 its reverse (10132405291), we get a palindrome (29382828392).

The spelling of 19250423101 in words is "nineteen billion, two hundred fifty million, four hundred twenty-three thousand, one hundred one".

Divisors: 1 7 13 91 169 1183 16272547 113907829 211543111 1480801777 2750060443 19250423101