Search a number
-
+
10002021180 = 2235166700353
BaseRepresentation
bin10010101000010101…
…01011101100111100
3221211001120022122220
421110022223230330
5130441004134210
64332254005340
7502600530414
oct112412535474
927731508586
1010002021180
114272975608
121b317a6850
13c35247438
146ac52b644
153d815bc70
hex2542abb3c

10002021180 has 24 divisors (see below), whose sum is σ = 28005659472. Its totient is φ = 2667205632.

The previous prime is 10002021151. The next prime is 10002021181. The reversal of 10002021180 is 8112020001.

10002021180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002021181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83350117 + ... + 83350236.

It is an arithmetic number, because the mean of its divisors is an integer number (1166902478).

Almost surely, 210002021180 is an apocalyptic number.

10002021180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10002021180 is an abundant number, since it is smaller than the sum of its proper divisors (18003638292).

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

10002021180 is a wasteful number, since it uses less digits than its factorization.

10002021180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166700365 (or 166700363 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10002021180 its reverse (8112020001), we get a palindrome (18114041181).

The spelling of 10002021180 in words is "ten billion, two million, twenty-one thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 166700353 333400706 500101059 666801412 833501765 1000202118 1667003530 2000404236 2500505295 3334007060 5001010590 10002021180