Search a number
-
+
21323301230130 = 2352251315760421
BaseRepresentation
bin1001101100100101101111…
…10010111001011000110010
32210111111011112012002112020
410312102313302321120302
510243330110103331010
6113203442300012310
74330362165624654
oct466226762713062
983444145162466
1021323301230130
116881185713309
122484722531096
13bb8a179a8cc3
1453a0a63086d4
1526ea0476e470
hex1364b7cb9632

21323301230130 has 32 divisors (see below), whose sum is σ = 51198657864768. Its totient is φ = 5683687560000.

The previous prime is 21323301230113. The next prime is 21323301230131. The reversal of 21323301230130 is 3103210332312.

It is a self number, because there is not a number n which added to its sum of digits gives 21323301230130.

It is not an unprimeable number, because it can be changed into a prime (21323301230131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157812681 + ... + 157947740.

It is an arithmetic number, because the mean of its divisors is an integer number (1599958058274).

Almost surely, 221323301230130 is an apocalyptic number.

21323301230130 is an abundant number, since it is smaller than the sum of its proper divisors (29875356634638).

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

21323301230130 is a wasteful number, since it uses less digits than its factorization.

21323301230130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315762682.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 21323301230130 its reverse (3103210332312), we get a palindrome (24426511562442).

The spelling of 21323301230130 in words is "twenty-one trillion, three hundred twenty-three billion, three hundred one million, two hundred thirty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 2251 4502 6753 11255 13506 22510 33765 67530 315760421 631520842 947281263 1578802105 1894562526 3157604210 4736406315 9472812630 710776707671 1421553415342 2132330123013 3553883538355 4264660246026 7107767076710 10661650615065 21323301230130