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213400410500 = 2253426800821
BaseRepresentation
bin1100011010111110100…
…1111101100110000100
3202101211020112001220102
43012233221331212010
511444021001114000
6242011303223232
721263155363124
oct3065751754604
9671736461812
10213400410500
1182558a71a22
1235437447b18
131717b647264
14a485abac84
15583eb1b3d5
hex31afa7d984

213400410500 has 24 divisors (see below), whose sum is σ = 466066497624. Its totient is φ = 85360164000.

The previous prime is 213400410481. The next prime is 213400410521. The reversal of 213400410500 is 5014004312.

213400410500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2043220804 + 211357189696 = 45202^2 + 459736^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213399911 + ... + 213400910.

It is an arithmetic number, because the mean of its divisors is an integer number (19419437401).

Almost surely, 2213400410500 is an apocalyptic number.

213400410500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213400410500 is an abundant number, since it is smaller than the sum of its proper divisors (252666087124).

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

213400410500 is a wasteful number, since it uses less digits than its factorization.

213400410500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426800840 (or 426800828 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 213400410500 its reverse (5014004312), we get a palindrome (218414414812).

The spelling of 213400410500 in words is "two hundred thirteen billion, four hundred million, four hundred ten thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 426800821 853601642 1707203284 2134004105 4268008210 8536016420 10670020525 21340041050 42680082100 53350102625 106700205250 213400410500