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21130122001332 = 2235575504957427
BaseRepresentation
bin1001100110111101111010…
…11010100111101110110100
32202211000112112101111010110
410303132331122213232310
510232143442213020312
6112535013302423020
74310413056363201
oct463367532475664
982730475344113
1021130122001332
116807264010503
1224531ab131a70
13ba373c7cbc26
145309bc04aca8
1526999a00e43c
hex1337bd6a7bb4

21130122001332 has 48 divisors (see below), whose sum is σ = 49393891713600. Its totient is φ = 7030478660352.

The previous prime is 21130122001327. The next prime is 21130122001361. The reversal of 21130122001332 is 23310022103112.

It is a junction number, because it is equal to n+sod(n) for n = 21130122001299 and 21130122001308.

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, 367918803 + ... + 367976229.

It is an arithmetic number, because the mean of its divisors is an integer number (1029039410700).

Almost surely, 221130122001332 is an apocalyptic number.

It is an amenable number.

21130122001332 is an abundant number, since it is smaller than the sum of its proper divisors (28263769712268).

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

21130122001332 is a wasteful number, since it uses less digits than its factorization.

21130122001332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113040 (or 113038 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21130122001332 its reverse (23310022103112), we get a palindrome (44440144104444).

The spelling of 21130122001332 in words is "twenty-one trillion, one hundred thirty billion, one hundred twenty-two million, one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 557 1114 1671 2228 3342 6684 55049 57427 110098 114854 165147 172281 220196 229708 330294 344562 660588 689124 30662293 31986839 61324586 63973678 91986879 95960517 122649172 127947356 183973758 191921034 367947516 383842068 3161298923 6322597846 9483896769 12645195692 18967793538 37935587076 1760843500111 3521687000222 5282530500333 7043374000444 10565061000666 21130122001332