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155450527750648 = 23132114978200999
BaseRepresentation
bin100011010110000110100101…
…011111001001100111111000
3202101101220222120000222020201
4203112012211133021213320
5130333400140101010043
61310340553033531544
744512633664206114
oct4326064537114770
9671356876028221
10155450527750648
1145593220368029
121552742b273bb4
136897bca45b500
142a55bba7d2744
1512e89593d9c4d
hex8d61a57c99f8

155450527750648 has 24 divisors (see below), whose sum is σ = 315615161745000. Its totient is φ = 71746397422752.

The previous prime is 155450527750613. The next prime is 155450527750667. The reversal of 155450527750648 is 846057725054551.

It is a self number, because there is not a number n which added to its sum of digits gives 155450527750648.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57489099148 + ... + 57489101851.

It is an arithmetic number, because the mean of its divisors is an integer number (13150631739375).

Almost surely, 2155450527750648 is an apocalyptic number.

It is an amenable number.

155450527750648 is an abundant number, since it is smaller than the sum of its proper divisors (160164633994352).

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

155450527750648 is a wasteful number, since it uses less digits than its factorization.

155450527750648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114978201031 (or 114978201014 counting only the distinct ones).

The product of its (nonzero) digits is 235200000, while the sum is 64.

The spelling of 155450527750648 in words is "one hundred fifty-five trillion, four hundred fifty billion, five hundred twenty-seven million, seven hundred fifty thousand, six hundred forty-eight".

Divisors: 1 2 4 8 13 26 52 104 169 338 676 1352 114978200999 229956401998 459912803996 919825607992 1494716612987 2989433225974 5978866451948 11957732903896 19431315968831 38862631937662 77725263875324 155450527750648