Search a number
-
+
2155053104 = 24294644511
BaseRepresentation
bin1000000001110011…
…1000000000110000
312120012010001002122
42000130320000300
513403143144404
6553502133412
7104255435441
oct20034700060
95505101078
102155053104
11a06520326
12501881268
13284625269
141662db2c8
15c92de3be
hex80738030

2155053104 has 20 divisors (see below), whose sum is σ = 4319396160. Its totient is φ = 1040370240.

The previous prime is 2155053101. The next prime is 2155053113. The reversal of 2155053104 is 4013505512.

It is not an unprimeable number, because it can be changed into a prime (2155053101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2321792 + ... + 2322719.

It is an arithmetic number, because the mean of its divisors is an integer number (215969808).

Almost surely, 22155053104 is an apocalyptic number.

It is an amenable number.

2155053104 is an abundant number, since it is smaller than the sum of its proper divisors (2164343056).

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

2155053104 is a wasteful number, since it uses less digits than its factorization.

2155053104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4644548 (or 4644542 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2155053104 is about 46422.5495206801. The cubic root of 2155053104 is about 1291.6732296709.

Adding to 2155053104 its reverse (4013505512), we get a palindrome (6168558616).

The spelling of 2155053104 in words is "two billion, one hundred fifty-five million, fifty-three thousand, one hundred four".

Divisors: 1 2 4 8 16 29 58 116 232 464 4644511 9289022 18578044 37156088 74312176 134690819 269381638 538763276 1077526552 2155053104