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15323430640050 = 235521347101107191
BaseRepresentation
bin1101111011111100001110…
…1000111101100110110010
32000020220110020011020200000
43132333003220331212302
54002024341220440200
652331253054410430
73141036616236051
oct336770350754662
960226406136600
1015323430640050
1149786a312a505
121875949b00a16
13871cbb3b9230
143ad92d7a4398
151b88e6d4a300
hexdefc3a3d9b2

15323430640050 has 1152 divisors, whose sum is σ = 48114808455168. Its totient is φ = 3601998720000.

The previous prime is 15323430640013. The next prime is 15323430640061. The reversal of 15323430640050 is 5004603432351.

15323430640050 is a `hidden beast` number, since 1 + 5 + 3 + 2 + 3 + 4 + 3 + 0 + 640 + 0 + 5 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 15323430639987 and 15323430640014.

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 80227385455 + ... + 80227385645.

It is an arithmetic number, because the mean of its divisors is an integer number (41766326784).

Almost surely, 215323430640050 is an apocalyptic number.

15323430640050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15323430640050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24057404227584).

15323430640050 is an abundant number, since it is smaller than the sum of its proper divisors (32791377815118).

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

15323430640050 is a wasteful number, since it uses less digits than its factorization.

15323430640050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 15323430640050 in words is "fifteen trillion, three hundred twenty-three billion, four hundred thirty million, six hundred forty thousand, fifty".