Search a number
-
+
202421132011 = 7131220742783
BaseRepresentation
bin1011110010000100111…
…1010101101011101011
3201100111002001221020101
42330201033111223223
511304024302211021
6232554015210231
720424120142630
oct2744117255353
9640432057211
10202421132011
11789344a754a
1233292516977
131611bac6577
149b23882187
1553eacc1a91
hex2f213d5aeb

202421132011 has 8 divisors (see below), whose sum is σ = 233104379904. Its totient is φ = 172179369960.

The previous prime is 202421131931. The next prime is 202421132033. The reversal of 202421132011 is 110231124202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202421132011 - 237 = 64982178539 is a prime.

It is a super-2 number, since 2×2024211320112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202421132011.

It is not an unprimeable number, because it can be changed into a prime (202421132411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110370475 + ... + 110372308.

It is an arithmetic number, because the mean of its divisors is an integer number (29138047488).

Almost surely, 2202421132011 is an apocalyptic number.

202421132011 is a deficient number, since it is larger than the sum of its proper divisors (30683247893).

202421132011 is a wasteful number, since it uses less digits than its factorization.

202421132011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220742921.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 202421132011 its reverse (110231124202), we get a palindrome (312652256213).

The spelling of 202421132011 in words is "two hundred two billion, four hundred twenty-one million, one hundred thirty-two thousand, eleven".

Divisors: 1 7 131 917 220742783 1545199481 28917304573 202421132011