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30551261665052 = 227637815416263
BaseRepresentation
bin1101111001001010001010…
…00110010101011100011100
311000011200010221202212102202
412330211011012111130130
513001022440441240202
6144551020021511032
76302153513260232
oct674450506253434
9130150127685382
1030551261665052
119809798816197
123515057872478
131407c82831cbb
147789906c2952
1537ea95e1d802
hex1bc94519571c

30551261665052 has 6 divisors (see below), whose sum is σ = 53464707913848. Its totient is φ = 15275630832524.

The previous prime is 30551261665051. The next prime is 30551261665081. The reversal of 30551261665052 is 25056616215503.

It is a junction number, because it is equal to n+sod(n) for n = 30551261664988 and 30551261665006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30551261665051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3818907708128 + ... + 3818907708135.

It is an arithmetic number, because the mean of its divisors is an integer number (8910784652308).

Almost surely, 230551261665052 is an apocalyptic number.

It is an amenable number.

30551261665052 is a deficient number, since it is larger than the sum of its proper divisors (22913446248796).

30551261665052 is a wasteful number, since it uses less digits than its factorization.

30551261665052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7637815416267 (or 7637815416265 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 30551261665052 in words is "thirty trillion, five hundred fifty-one billion, two hundred sixty-one million, six hundred sixty-five thousand, fifty-two".

Divisors: 1 2 4 7637815416263 15275630832526 30551261665052