Search a number
-
+
111905043348 = 2237311812331019
BaseRepresentation
bin110100000111000001…
…1110111001110010100
3101200211212002012120010
41220032003313032110
53313140142341343
6123224121240220
711041053113460
oct1501603671624
9350755065503
10111905043348
11435055303aa
1219830933070
13a7250a81a7
1455b82014a0
152d9e49ed33
hex1a0e0f7394

111905043348 has 192 divisors, whose sum is σ = 311376199680. Its totient is φ = 30608409600.

The previous prime is 111905043331. The next prime is 111905043373. The reversal of 111905043348 is 843340509111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 109817983 + ... + 109819001.

It is an arithmetic number, because the mean of its divisors is an integer number (1621751040).

Almost surely, 2111905043348 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111905043348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155688099840).

111905043348 is an abundant number, since it is smaller than the sum of its proper divisors (199471156332).

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

111905043348 is a wasteful number, since it uses less digits than its factorization.

111905043348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478 (or 1476 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 111905043348 in words is "one hundred eleven billion, nine hundred five million, forty-three thousand, three hundred forty-eight".