Search a number
-
+
834786309148 = 221133715628127
BaseRepresentation
bin11000010010111010010…
…01000011010000011100
32221210201200201100011221
430021131021003100130
5102134120243343043
61435255011423124
7114211532356651
oct14113511032034
92853650640157
10834786309148
112a2038121720
121159542b4aa4
1360948b3155c
142c592327c28
1516aac2118ed
hexc25d24341c

834786309148 has 24 divisors (see below), whose sum is σ = 1594155999744. Its totient is φ = 379335692400.

The previous prime is 834786309131. The next prime is 834786309157. The reversal of 834786309148 is 841903687438.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2665740 + ... + 2962387.

It is an arithmetic number, because the mean of its divisors is an integer number (66423166656).

Almost surely, 2834786309148 is an apocalyptic number.

It is an amenable number.

834786309148 is a deficient number, since it is larger than the sum of its proper divisors (759369690596).

834786309148 is a wasteful number, since it uses less digits than its factorization.

834786309148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5631513 (or 5631511 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 61.

The spelling of 834786309148 in words is "eight hundred thirty-four billion, seven hundred eighty-six million, three hundred nine thousand, one hundred forty-eight".

Divisors: 1 2 4 11 22 44 3371 6742 13484 37081 74162 148324 5628127 11256254 22512508 61909397 123818794 247637588 18972416117 37944832234 75889664468 208696577287 417393154574 834786309148