Search a number
-
+
12001050252 = 2232333362507
BaseRepresentation
bin10110010110101000…
…10111111010001100
31010222101002112000200
423023110113322030
5144034232102002
65302504053500
7603253146462
oct131324277214
933871075020
1012001050252
1150a9309754
1223ab164290
131193441889
1481bc12832
154a38cbb1c
hex2cb517e8c

12001050252 has 18 divisors (see below), whose sum is σ = 30335988228. Its totient is φ = 4000350072.

The previous prime is 12001050241. The next prime is 12001050317. The reversal of 12001050252 is 25205010021.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 166681218 + ... + 166681289.

Almost surely, 212001050252 is an apocalyptic number.

12001050252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12001050252 is an abundant number, since it is smaller than the sum of its proper divisors (18334937976).

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

12001050252 is a wasteful number, since it uses less digits than its factorization.

12001050252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333362517 (or 333362512 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

Adding to 12001050252 its reverse (25205010021), we get a palindrome (37206060273).

The spelling of 12001050252 in words is "twelve billion, one million, fifty thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 333362507 666725014 1000087521 1333450028 2000175042 3000262563 4000350084 6000525126 12001050252