Search a number
-
+
10244321980 = 225512216099
BaseRepresentation
bin10011000101001101…
…11111001010111100
3222102221111110212121
421202212333022330
5131440021300410
64412311212324
7511602204634
oct114246771274
928387443777
1010244321980
11438771a802
121b9a9770a4
13c734c25a9
146d27a16c4
153ee56e9da
hex2629bf2bc

10244321980 has 12 divisors (see below), whose sum is σ = 21513076200. Its totient is φ = 4097728784.

The previous prime is 10244321977. The next prime is 10244321981. The reversal of 10244321980 is 8912344201.

It is a super-2 number, since 2×102443219802 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10244321981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256108030 + ... + 256108069.

It is an arithmetic number, because the mean of its divisors is an integer number (1792756350).

Almost surely, 210244321980 is an apocalyptic number.

10244321980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10244321980 is an abundant number, since it is smaller than the sum of its proper divisors (11268754220).

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

10244321980 is a wasteful number, since it uses less digits than its factorization.

10244321980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512216108 (or 512216106 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The spelling of 10244321980 in words is "ten billion, two hundred forty-four million, three hundred twenty-one thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 512216099 1024432198 2048864396 2561080495 5122160990 10244321980