Search a number
-
+
1021330123230 = 235229148665229
BaseRepresentation
bin11101101110011000000…
…01001110100111011110
310121122020020210221210010
432313030001032213132
5113213141002420410
62101105333024050
7133534340544144
oct16671401164736
93548206727703
101021330123230
1136416425720a
12145b35485026
13754073c7531
143760b251594
151b879172c20
hexedcc04e9de

1021330123230 has 32 divisors (see below), whose sum is σ = 2461896208800. Its totient is φ = 271165375872.

The previous prime is 1021330123207. The next prime is 1021330123241. The reversal of 1021330123230 is 323210331201.

It is a junction number, because it is equal to n+sod(n) for n = 1021330123197 and 1021330123206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74325745 + ... + 74339484.

It is an arithmetic number, because the mean of its divisors is an integer number (76934256525).

Almost surely, 21021330123230 is an apocalyptic number.

1021330123230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021330123230 is an abundant number, since it is smaller than the sum of its proper divisors (1440566085570).

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

1021330123230 is a wasteful number, since it uses less digits than its factorization.

1021330123230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148665468.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1021330123230 its reverse (323210331201), we get a palindrome (1344540454431).

The spelling of 1021330123230 in words is "one trillion, twenty-one billion, three hundred thirty million, one hundred twenty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 229 458 687 1145 1374 2290 3435 6870 148665229 297330458 445995687 743326145 891991374 1486652290 2229978435 4459956870 34044337441 68088674882 102133012323 170221687205 204266024646 340443374410 510665061615 1021330123230