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897397793798 = 21140790808809
BaseRepresentation
bin11010000111100010001…
…00111010010000000110
310011210100012021022101212
431003301010322100012
5104200332313400143
61524131525051422
7121556232250352
oct15036104722006
93153305238355
10897397793798
11316647728860
12125b08856b72
1366816622c1c
143161196c462
1518523d62918
hexd0f113a406

897397793798 has 8 divisors (see below), whose sum is σ = 1468469117160. Its totient is φ = 407908088080.

The previous prime is 897397793791. The next prime is 897397793813.

897397793798 is nontrivially palindromic in base 10.

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

It is a super-3 number, since 3×8973977937983 (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897397793791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20395404383 + ... + 20395404426.

It is an arithmetic number, because the mean of its divisors is an integer number (183558639645).

Almost surely, 2897397793798 is an apocalyptic number.

897397793798 is a deficient number, since it is larger than the sum of its proper divisors (571071323362).

897397793798 is a wasteful number, since it uses less digits than its factorization.

897397793798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40790808822.

The product of its digits is 9073705536, while the sum is 86.

The spelling of 897397793798 in words is "eight hundred ninety-seven billion, three hundred ninety-seven million, seven hundred ninety-three thousand, seven hundred ninety-eight".

Divisors: 1 2 11 22 40790808809 81581617618 448698896899 897397793798