Search a number
-
+
230212120404 = 22372740620481
BaseRepresentation
bin1101011001100110110…
…1100010111101010100
3211000012212201102100210
43112121231202331110
512232433300323104
6253431420405420
722426604510460
oct3263155427524
9730185642323
10230212120404
11896a5816452
12387496a6870
131892a6232b6
14b1dc7854a0
155ec59ed989
hex3599b62f54

230212120404 has 24 divisors (see below), whose sum is σ = 613898987968. Its totient is φ = 65774891520.

The previous prime is 230212120357. The next prime is 230212120409. The reversal of 230212120404 is 404021212032.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230212120409) 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, 1370310157 + ... + 1370310324.

Almost surely, 2230212120404 is an apocalyptic number.

It is an amenable number.

230212120404 is an abundant number, since it is smaller than the sum of its proper divisors (383686867564).

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

230212120404 is a wasteful number, since it uses less digits than its factorization.

230212120404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740620495 (or 2740620493 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 230212120404 its reverse (404021212032), we get a palindrome (634233332436).

The spelling of 230212120404 in words is "two hundred thirty billion, two hundred twelve million, one hundred twenty thousand, four hundred four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 2740620481 5481240962 8221861443 10962481924 16443722886 19184343367 32887445772 38368686734 57553030101 76737373468 115106060202 230212120404