Search a number
-
+
202212031321 = 4911109371359
BaseRepresentation
bin1011110001010011000…
…1101011101101011001
3201022221111121112000101
42330110301223231121
511303112240000241
6232521145335401
720416000622626
oct2742461535531
9638844545011
10202212031321
1178837469063
1233234497561
13160b76a3b51
149b03bb134d
1553d776ae31
hex2f14c6bb59

202212031321 has 8 divisors (see below), whose sum is σ = 202807123200. Its totient is φ = 201617685360.

The previous prime is 202212031319. The next prime is 202212031331. The reversal of 202212031321 is 123130212202.

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 202212031321 - 21 = 202212031319 is a prime.

It is a super-2 number, since 2×2022120313212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202212031331) 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, 358840 + ... + 730198.

It is an arithmetic number, because the mean of its divisors is an integer number (25350890400).

Almost surely, 2202212031321 is an apocalyptic number.

It is an amenable number.

202212031321 is a deficient number, since it is larger than the sum of its proper divisors (595091879).

202212031321 is a wasteful number, since it uses less digits than its factorization.

202212031321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372959.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 202212031321 its reverse (123130212202), we get a palindrome (325342243523).

The spelling of 202212031321 in words is "two hundred two billion, two hundred twelve million, thirty-one thousand, three hundred twenty-one".

Divisors: 1 491 1109 371359 544519 182337269 411837131 202212031321