Search a number
-
+
49218243705 = 3353131164791
BaseRepresentation
bin101101110101101000…
…101100110001111001
311201001002210211121000
4231311220230301321
51301244332244310
634335513435213
73361450111611
oct556550546171
9151032724530
1049218243705
1119967462a74
12965710bb09
134844b06a37
14254c993a41
151430e234c0
hexb75a2cc79

49218243705 has 32 divisors (see below), whose sum is σ = 87778725120. Its totient is φ = 26165842560.

The previous prime is 49218243677. The next prime is 49218243707. The reversal of 49218243705 is 50734281294.

49218243705 is a `hidden beast` number, since 49 + 218 + 24 + 370 + 5 = 666.

It is not a de Polignac number, because 49218243705 - 210 = 49218242681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (49218243707) 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, 540141 + ... + 624650.

It is an arithmetic number, because the mean of its divisors is an integer number (2743085160).

Almost surely, 249218243705 is an apocalyptic number.

49218243705 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49218243705 is a deficient number, since it is larger than the sum of its proper divisors (38560481415).

49218243705 is a wasteful number, since it uses less digits than its factorization.

49218243705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165118 (or 1165112 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 49218243705 in words is "forty-nine billion, two hundred eighteen million, two hundred forty-three thousand, seven hundred five".

Divisors: 1 3 5 9 15 27 45 135 313 939 1565 2817 4695 8451 14085 42255 1164791 3494373 5823955 10483119 17471865 31449357 52415595 157246785 364579583 1093738749 1822897915 3281216247 5468693745 9843648741 16406081235 49218243705