Search a number
-
+
2130435321 = 37372741873
BaseRepresentation
bin111111011111011…
…1101110011111001
312111110210022211220
41332332331303321
513330342412241
6551222342253
7103536254460
oct17676756371
95443708756
102130435321
119a3636653
124b558a989
1327c4b6021
14162d2d9d7
15c707a166
hex7efbdcf9

2130435321 has 16 divisors (see below), whose sum is σ = 3334118784. Its totient is φ = 1184488704.

The previous prime is 2130435313. The next prime is 2130435371. The reversal of 2130435321 is 1235340312.

It is not a de Polignac number, because 2130435321 - 23 = 2130435313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2130435291 and 2130435300.

It is not an unprimeable number, because it can be changed into a prime (2130435371) 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, 1370160 + ... + 1371713.

It is an arithmetic number, because the mean of its divisors is an integer number (208382424).

Almost surely, 22130435321 is an apocalyptic number.

2130435321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2130435321 is a deficient number, since it is larger than the sum of its proper divisors (1203683463).

2130435321 is a wasteful number, since it uses less digits than its factorization.

2130435321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741920.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 2130435321 is about 46156.6389699250. The cubic root of 2130435321 is about 1286.7359986250.

Adding to 2130435321 its reverse (1235340312), we get a palindrome (3365775633).

The spelling of 2130435321 in words is "two billion, one hundred thirty million, four hundred thirty-five thousand, three hundred twenty-one".

Divisors: 1 3 7 21 37 111 259 777 2741873 8225619 19193111 57579333 101449301 304347903 710145107 2130435321