Search a number
-
+
10031221132 = 222507805283
BaseRepresentation
bin10010101011110100…
…00100100110001100
3221220002111211110121
421111322010212030
5131020443034012
64335215514324
7503403654442
oct112572044614
927802454417
1010031221132
1142883a99a9
121b3b5289a4
13c3b2cc20a
146b236cb92
153da9c8a07
hex255e8498c

10031221132 has 6 divisors (see below), whose sum is σ = 17554636988. Its totient is φ = 5015610564.

The previous prime is 10031221099. The next prime is 10031221141. The reversal of 10031221132 is 23112213001.

It is a super-2 number, since 2×100312211322 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1253902638 + ... + 1253902645.

Almost surely, 210031221132 is an apocalyptic number.

It is an amenable number.

10031221132 is a deficient number, since it is larger than the sum of its proper divisors (7523415856).

10031221132 is a wasteful number, since it uses less digits than its factorization.

10031221132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507805287 (or 2507805285 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10031221132 its reverse (23112213001), we get a palindrome (33143434133).

The spelling of 10031221132 in words is "ten billion, thirty-one million, two hundred twenty-one thousand, one hundred thirty-two".

Divisors: 1 2 4 2507805283 5015610566 10031221132