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230332012221 = 32111523238919
BaseRepresentation
bin1101011010000011011…
…0111001011010111101
3211000112020022120000110
43112200312321122331
512233204443342341
6253451342220233
722432561541343
oct3264066713275
9730466276013
10230332012221
11897574639a3
1238781884679
131894940cbbc
14b210673993
155ed12d2216
hex35a0db96bd

230332012221 has 16 divisors (see below), whose sum is σ = 308768739840. Its totient is φ = 152725942320.

The previous prime is 230332012159. The next prime is 230332012231. The reversal of 230332012221 is 122210233032.

It is a happy number.

It is not a de Polignac number, because 230332012221 - 29 = 230332011709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230332012231) 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, 844600 + ... + 1083518.

It is an arithmetic number, because the mean of its divisors is an integer number (19298046240).

Almost surely, 2230332012221 is an apocalyptic number.

It is an amenable number.

230332012221 is a deficient number, since it is larger than the sum of its proper divisors (78436727619).

230332012221 is a wasteful number, since it uses less digits than its factorization.

230332012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240656.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 230332012221 its reverse (122210233032), we get a palindrome (352542245253).

The spelling of 230332012221 in words is "two hundred thirty billion, three hundred thirty-two million, twelve thousand, two hundred twenty-one".

Divisors: 1 3 211 633 1523 4569 238919 321353 716757 964059 50411909 151235727 363873637 1091620911 76777337407 230332012221