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21223201123132 = 221933413226649
BaseRepresentation
bin1001101001101011010010…
…10111010010101100111100
32210010220210101011210021221
410310311221113102230330
510240210103441420012
6113045445355203124
74320216465020221
oct464655127225474
983126711153257
1021223201123132
116842788823358
1224692471464a4
13bac454519168
145352cbc69948
1526c0e685d507
hex134d695d2b3c

21223201123132 has 48 divisors (see below), whose sum is σ = 39215327508000. Its totient is φ = 10050105396096.

The previous prime is 21223201123097. The next prime is 21223201123141. The reversal of 21223201123132 is 23132110232212.

It is a super-2 number, since 2×212232011231322 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21223201123097 and 21223201123106.

It is a congruent number.

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, 93525744 + ... + 93752392.

It is an arithmetic number, because the mean of its divisors is an integer number (816985989750).

Almost surely, 221223201123132 is an apocalyptic number.

It is an amenable number.

21223201123132 is a deficient number, since it is larger than the sum of its proper divisors (17992126384868).

21223201123132 is a wasteful number, since it uses less digits than its factorization.

21223201123132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230123 (or 230083 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 21223201123132 its reverse (23132110232212), we get a palindrome (44355311355344).

The spelling of 21223201123132 in words is "twenty-one trillion, two hundred twenty-three billion, two hundred one million, one hundred twenty-three thousand, one hundred thirty-two".

Divisors: 1 2 4 19 38 76 361 722 1444 3413 6826 6859 13652 13718 27436 64847 129694 226649 259388 453298 906596 1232093 2464186 4306331 4928372 8612662 17225324 23409767 46819534 81820289 93639068 163640578 327281156 773553037 1547106074 1554585491 3094212148 3109170982 6218341964 14697507703 29395015406 58790030812 279252646357 558505292714 1117010585428 5305800280783 10611600561566 21223201123132