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232030012221 = 3278970958367
BaseRepresentation
bin1101100000011000010…
…0010000001100111101
3211011220120101220010100
43120012010100030331
512300144140342341
6254332040231313
722522630363560
oct3300604201475
9734816356110
10232030012221
118a448990487
1238b7646b539
1318b5a139027
14b331d984d7
1560803dd3b6
hex360611033d

232030012221 has 48 divisors (see below), whose sum is σ = 387890380800. Its totient is φ = 130911669504.

The previous prime is 232030012171. The next prime is 232030012229. The reversal of 232030012221 is 122210030232.

232030012221 is a `hidden beast` number, since 2 + 320 + 300 + 1 + 22 + 21 = 666.

It is not a de Polignac number, because 232030012221 - 210 = 232030011197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 232030012194 and 232030012203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232030012229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3946180 + ... + 4004546.

It is an arithmetic number, because the mean of its divisors is an integer number (8081049600).

Almost surely, 2232030012221 is an apocalyptic number.

232030012221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

232030012221 is a deficient number, since it is larger than the sum of its proper divisors (155860368579).

232030012221 is a wasteful number, since it uses less digits than its factorization.

232030012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59178 (or 59175 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 232030012221 its reverse (122210030232), we get a palindrome (354240042453).

The spelling of 232030012221 in words is "two hundred thirty-two billion, thirty million, twelve thousand, two hundred twenty-one".

Divisors: 1 3 7 9 21 63 89 267 623 709 801 1869 2127 4963 5607 6381 14889 44667 58367 63101 175101 189303 408569 441707 525303 567909 1225707 1325121 3677121 3975363 5194663 15583989 36362641 41382203 46751967 109087923 124146609 289675421 327263769 372439827 869026263 2607078789 3683016067 11049048201 25781112469 33147144603 77343337407 232030012221