Search a number
-
+
201402421024 = 257899117951
BaseRepresentation
bin1011101110010010000…
…1010000111100100000
3201020212002012001110211
42323210201100330200
511244433004433044
6232304544503504
720356640222020
oct2734441207440
9636762161424
10201402421024
1178461463942
123304931ab94
1315cb8a378bc
149a68463a80
15538b646634
hex2ee4850f20

201402421024 has 24 divisors (see below), whose sum is σ = 453155447808. Its totient is φ = 86315323200.

The previous prime is 201402420983. The next prime is 201402421027. The reversal of 201402421024 is 420124204102.

It is a junction number, because it is equal to n+sod(n) for n = 201402420986 and 201402421004.

It is not an unprimeable number, because it can be changed into a prime (201402421027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449558752 + ... + 449559199.

It is an arithmetic number, because the mean of its divisors is an integer number (18881476992).

Almost surely, 2201402421024 is an apocalyptic number.

It is an amenable number.

201402421024 is an abundant number, since it is smaller than the sum of its proper divisors (251753026784).

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

201402421024 is an equidigital number, since it uses as much as digits as its factorization.

201402421024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899117968 (or 899117960 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 201402421024 its reverse (420124204102), we get a palindrome (621526625126).

The spelling of 201402421024 in words is "two hundred one billion, four hundred two million, four hundred twenty-one thousand, twenty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 899117951 1798235902 3596471804 6293825657 7192943608 12587651314 14385887216 25175302628 28771774432 50350605256 100701210512 201402421024