Search a number
-
+
230420430321 = 3157489215351
BaseRepresentation
bin1101011010011000100…
…0001011110111110001
3211000202101200122211220
43112212020023313301
512233400112232241
6253504221255253
722435014225144
oct3264610136761
9730671618756
10230420430321
11897a2364804
12387a7404529
1318961829ac3
14b21c2cc05b
155ed8e4a166
hex35a620bdf1

230420430321 has 8 divisors (see below), whose sum is σ = 309184102464. Its totient is φ = 152635189200.

The previous prime is 230420430307. The next prime is 230420430347. The reversal of 230420430321 is 123034024032.

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

It is not a de Polignac number, because 230420430321 - 230 = 229346688497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230420430291 and 230420430300.

It is not an unprimeable number, because it can be changed into a prime (230420430301) 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, 244607205 + ... + 244608146.

It is an arithmetic number, because the mean of its divisors is an integer number (38648012808).

Almost surely, 2230420430321 is an apocalyptic number.

It is an amenable number.

230420430321 is a deficient number, since it is larger than the sum of its proper divisors (78763672143).

230420430321 is a wasteful number, since it uses less digits than its factorization.

230420430321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489215511.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 230420430321 its reverse (123034024032), we get a palindrome (353454454353).

The spelling of 230420430321 in words is "two hundred thirty billion, four hundred twenty million, four hundred thirty thousand, three hundred twenty-one".

Divisors: 1 3 157 471 489215351 1467646053 76806810107 230420430321