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121300112032 = 25112831217677
BaseRepresentation
bin111000011111000001…
…1001101001010100000
3102121002121120010220221
41300332003031022200
53441410312041112
6131420254212424
711522633640331
oct1607603151240
9377077503827
10121300112032
1147496829580
121b6131b4114
13b591661328
145c29c96288
15324e1b8e07
hex1c3e0cd2a0

121300112032 has 48 divisors (see below), whose sum is σ = 261440337312. Its totient is φ = 54941541120.

The previous prime is 121300111981. The next prime is 121300112051. The reversal of 121300112032 is 230211003121.

It is a super-5 number, since 5×1213001120325 (a number of 57 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 121300111997 and 121300112015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509223 + ... + 708454.

It is an arithmetic number, because the mean of its divisors is an integer number (5446673694).

Almost surely, 2121300112032 is an apocalyptic number.

It is an amenable number.

121300112032 is an abundant number, since it is smaller than the sum of its proper divisors (140140225280).

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

121300112032 is a wasteful number, since it uses less digits than its factorization.

121300112032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217981 (or 1217973 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121300112032 its reverse (230211003121), we get a palindrome (351511115153).

It can be divided in two parts, 121300 and 112032, that added together give a palindrome (233332).

The spelling of 121300112032 in words is "one hundred twenty-one billion, three hundred million, one hundred twelve thousand, thirty-two".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 283 352 566 1132 2264 3113 4528 6226 9056 12452 24904 49808 99616 1217677 2435354 4870708 9741416 13394447 19482832 26788894 38965664 53577788 107155576 214311152 344602591 428622304 689205182 1378410364 2756820728 3790628501 5513641456 7581257002 11027282912 15162514004 30325028008 60650056016 121300112032