Search a number
-
+
230354215530 = 23548799157349
BaseRepresentation
bin1101011010001000101…
…1100110001001101010
3211000120210002121020020
43112202023212021222
512233231134344110
6253453454141310
722433251345125
oct3264213461152
9730523077206
10230354215530
1189768a4963a
12387891b1836
1318950bb515a
14b2135b33bc
155ed321ad70
hex35a22e626a

230354215530 has 32 divisors (see below), whose sum is σ = 552864960000. Its totient is φ = 61426141632.

The previous prime is 230354215529. The next prime is 230354215547. The reversal of 230354215530 is 35512453032.

It is a super-2 number, since 2×2303542155302 (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 230354215491 and 230354215500.

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, 1385296 + ... + 1542644.

It is an arithmetic number, because the mean of its divisors is an integer number (17277030000).

Almost surely, 2230354215530 is an apocalyptic number.

230354215530 is an abundant number, since it is smaller than the sum of its proper divisors (322510744470).

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

230354215530 is a wasteful number, since it uses less digits than its factorization.

230354215530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206158.

The product of its (nonzero) digits is 54000, while the sum is 33.

Adding to 230354215530 its reverse (35512453032), we get a palindrome (265866668562).

The spelling of 230354215530 in words is "two hundred thirty billion, three hundred fifty-four million, two hundred fifteen thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 48799 97598 146397 157349 243995 292794 314698 472047 487990 731985 786745 944094 1463970 1573490 2360235 4720470 7678473851 15356947702 23035421553 38392369255 46070843106 76784738510 115177107765 230354215530