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16805706144250 = 253139483617443
BaseRepresentation
bin1111010010001110001000…
…1001010001100111111010
32012111121110120000201002011
43310203202021101213322
54200321041233104000
655424233531000134
73353113031156542
oct364434211214772
965447416021064
1016805706144250
11539a294aa3861
121a75084b9904a
1394ba046a44aa
1442158703c322
151e224d10c2ba
hexf48e22519fa

16805706144250 has 32 divisors (see below), whose sum is σ = 31686614930880. Its totient is φ = 6673920699600.

The previous prime is 16805706144247. The next prime is 16805706144259. The reversal of 16805706144250 is 5244160750861.

16805706144250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 16805706144194 and 16805706144203.

It is not an unprimeable number, because it can be changed into a prime (16805706144259) 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, 241773972 + ... + 241843471.

It is an arithmetic number, because the mean of its divisors is an integer number (990206716590).

Almost surely, 216805706144250 is an apocalyptic number.

16805706144250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16805706144250 is a deficient number, since it is larger than the sum of its proper divisors (14880908786630).

16805706144250 is a wasteful number, since it uses less digits than its factorization.

16805706144250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483617599 (or 483617589 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 16805706144250 in words is "sixteen trillion, eight hundred five billion, seven hundred six million, one hundred forty-four thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 139 250 278 695 1390 3475 6950 17375 34750 483617443 967234886 2418087215 4836174430 12090436075 24180872150 60452180375 67222824577 120904360750 134445649154 336114122885 672228245770 1680570614425 3361141228850 8402853072125 16805706144250