Search a number
-
+
2155346706 = 23438354057
BaseRepresentation
bin1000000001110111…
…1111101100010010
312120012122221211210
42000131333230102
513403232043311
6553512320550
7104261100432
oct20035775422
95505587753
102155346706
11a06700977
125019a3156
132846c8aa6
141663762c2
15c934b3a6
hex8077fb12

2155346706 has 16 divisors (see below), whose sum is σ = 4410942624. Its totient is φ = 701740704.

The previous prime is 2155346701. The next prime is 2155346723. The reversal of 2155346706 is 6076435512.

2155346706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2155346701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4176771 + ... + 4177286.

It is an arithmetic number, because the mean of its divisors is an integer number (275683914).

Almost surely, 22155346706 is an apocalyptic number.

2155346706 is an abundant number, since it is smaller than the sum of its proper divisors (2255595918).

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

2155346706 is a wasteful number, since it uses less digits than its factorization.

2155346706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8354105.

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 2155346706 is about 46425.7116908293. The cubic root of 2155346706 is about 1291.7318857077.

The spelling of 2155346706 in words is "two billion, one hundred fifty-five million, three hundred forty-six thousand, seven hundred six".

Divisors: 1 2 3 6 43 86 129 258 8354057 16708114 25062171 50124342 359224451 718448902 1077673353 2155346706