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10798987345780 = 2253114144341893
BaseRepresentation
bin1001110100100101010111…
…0011011111111101110100
31102020101001222212211101011
42131021111303133331310
52403412311230031110
634544553012442004
72163125654622544
oct235112563377564
942211058784334
1010798987345780
1134939089116a7
121264abb019304
13604456386cca
14294960bb1324
1513ad8e3a448a
hex9d255cdff74

10798987345780 has 48 divisors (see below), whose sum is σ = 22751884681344. Its totient is φ = 4305498894720.

The previous prime is 10798987345763. The next prime is 10798987345789. The reversal of 10798987345780 is 8754378989701.

It is a junction number, because it is equal to n+sod(n) for n = 10798987345697 and 10798987345706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10798987345789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257754514 + ... + 257796406.

It is an arithmetic number, because the mean of its divisors is an integer number (473997597528).

Almost surely, 210798987345780 is an apocalyptic number.

10798987345780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10798987345780 is an abundant number, since it is smaller than the sum of its proper divisors (11952897335564).

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

10798987345780 is a wasteful number, since it uses less digits than its factorization.

10798987345780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83656 (or 83654 counting only the distinct ones).

The product of its (nonzero) digits is 853493760, while the sum is 76.

The spelling of 10798987345780 in words is "ten trillion, seven hundred ninety-eight billion, nine hundred eighty-seven million, three hundred forty-five thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 311 622 1244 1555 3110 6220 41443 41893 82886 83786 165772 167572 207215 209465 414430 418930 828860 837860 12888773 13028723 25777546 26057446 51555092 52114892 64443865 65143615 128887730 130287230 257775460 260574460 1736171599 3472343198 6944686396 8680857995 17361715990 34723431980 539949367289 1079898734578 2159797469156 2699746836445 5399493672890 10798987345780