Search a number
-
+
2012010090 = 235144746349
BaseRepresentation
bin111011111101100…
…1101011001101010
312012012221200222020
41313323031121222
513110033310330
6531352205310
7100600542426
oct16773153152
95165850866
102012010090
119427aaa62
12481999836
13260ac0b1c
14151303b86
15bb986210
hex77ecd66a

2012010090 has 32 divisors (see below), whose sum is σ = 4832265600. Its totient is φ = 536153664.

The previous prime is 2012010089. The next prime is 2012010101. The reversal of 2012010090 is 900102102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20236 + ... + 66584.

It is an arithmetic number, because the mean of its divisors is an integer number (151008300).

Almost surely, 22012010090 is an apocalyptic number.

2012010090 is an abundant number, since it is smaller than the sum of its proper divisors (2820255510).

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

2012010090 is a wasteful number, since it uses less digits than its factorization.

2012010090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47806.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2012010090 is about 44855.4354565865. The cubic root of 2012010090 is about 1262.4379793733.

Adding to 2012010090 its reverse (900102102), we get a palindrome (2912112192).

The spelling of 2012010090 in words is "two billion, twelve million, ten thousand, ninety".

Divisors: 1 2 3 5 6 10 15 30 1447 2894 4341 7235 8682 14470 21705 43410 46349 92698 139047 231745 278094 463490 695235 1390470 67067003 134134006 201201009 335335015 402402018 670670030 1006005045 2012010090