Search a number
-
+
1949063834973 = 31819135714801
BaseRepresentation
bin11100010111001101010…
…000011110110101011101
320220022212121110120100110
4130113031100132311131
5223413140320204343
64051215414120233
7260546422150143
oct34271520366535
96808777416313
101949063834973
116916587a5132
122758a9650079
13111a46877b58
146a499aab593
1535a76365833
hex1c5cd41ed5d

1949063834973 has 8 divisors (see below), whose sum is σ = 2598894711936. Its totient is φ = 1299304424000.

The previous prime is 1949063834917. The next prime is 1949063834989. The reversal of 1949063834973 is 3794383609491.

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

It is a cyclic number.

It is not a de Polignac number, because 1949063834973 - 214 = 1949063818589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1949023834973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17802828 + ... + 17911973.

It is an arithmetic number, because the mean of its divisors is an integer number (324861838992).

Almost surely, 21949063834973 is an apocalyptic number.

It is an amenable number.

1949063834973 is a deficient number, since it is larger than the sum of its proper divisors (649830876963).

1949063834973 is a wasteful number, since it uses less digits than its factorization.

1949063834973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35732995.

The product of its (nonzero) digits is 105815808, while the sum is 66.

The spelling of 1949063834973 in words is "one trillion, nine hundred forty-nine billion, sixty-three million, eight hundred thirty-four thousand, nine hundred seventy-three".

Divisors: 1 3 18191 54573 35714801 107144403 649687944991 1949063834973