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13680744744770 = 251368074474477
BaseRepresentation
bin1100011100010100101111…
…1011100100011101000010
31210102212101121211121112022
43013011023323210131002
53243121131123313040
645032503011001442
72611254415431515
oct307051373443502
953385347747468
1013680744744770
1143a4a75830114
12164b505899282
1378311cb251bc
14354219d08d7c
1518ad030836b5
hexc714bee4742

13680744744770 has 8 divisors (see below), whose sum is σ = 24625340540604. Its totient is φ = 5472297897904.

The previous prime is 13680744744713. The next prime is 13680744744781. The reversal of 13680744744770 is 7744744708631.

13680744744770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13614675697249 + 66069047521 = 3689807^2 + 257039^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684037237229 + ... + 684037237248.

Almost surely, 213680744744770 is an apocalyptic number.

13680744744770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13680744744770 is a deficient number, since it is larger than the sum of its proper divisors (10944595795834).

13680744744770 is a wasteful number, since it uses less digits than its factorization.

13680744744770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368074474484.

The product of its (nonzero) digits is 88510464, while the sum is 62.

The spelling of 13680744744770 in words is "thirteen trillion, six hundred eighty billion, seven hundred forty-four million, seven hundred forty-four thousand, seven hundred seventy".

Divisors: 1 2 5 10 1368074474477 2736148948954 6840372372385 13680744744770