Search a number
2660411552 = 2583137861
BaseRepresentation
bin1001111010010010…
…1010100010100000
320212102000220120012
42132210222202200
520422031132202
61115553504052
7122633060621
oct23644524240
96772026505
102660411552
111145807637
12622b72028
13335235326
141b3489a48
15108865152
hex9e92a8a0

2660411552 has 12 divisors (see below), whose sum is σ = 5237685306. Its totient is φ = 1330205760.

The previous prime is 2660411543. The next prime is 2660411561. The reversal of 2660411552 is 2551140662.

It is an interprime number because it is at equal distance from previous prime (2660411543) and next prime (2660411561).

It can be written as a sum of positive squares in only one way, i.e., 2413167376 + 247244176 = 49124^2 + 15724^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 83137861 = 2660411552 / (2 + 6 + 6 + 0 + 4 + 1 + 1 + 5 + 5 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41568899 + ... + 41568962.

Almost surely, 22660411552 is an apocalyptic number.

It is an amenable number.

2660411552 is a deficient number, since it is larger than the sum of its proper divisors (2577273754).

2660411552 is an equidigital number, since it uses as much as digits as its factorization.

2660411552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83137871 (or 83137863 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 2660411552 is about 51579.1775041053. The cubic root of 2660411552 is about 1385.6374362515.

The spelling of 2660411552 in words is "two billion, six hundred sixty million, four hundred eleven thousand, five hundred fifty-two".