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6840805117001 = 19738815598283
BaseRepresentation
bin110001110001011111111…
…0000100100110001001001
3220012222022110201000021112
41203202333300210301021
51344034432102221001
622314342242420105
71304142346041662
oct143427760446111
926188273630245
106840805117001
1121a8195170539
12925963961635
133a81151139cb
1419914d620369
15bce29799cbb
hex638bfc24c49

6840805117001 has 16 divisors (see below), whose sum is σ = 7307776002240. Its totient is φ = 6384728655360.

The previous prime is 6840805116989. The next prime is 6840805117007. The reversal of 6840805117001 is 1007115080486.

It is a cyclic number.

It is not a de Polignac number, because 6840805117001 - 218 = 6840804854857 is a prime.

It is a super-2 number, since 2×68408051170012 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6840805117001.

It is not an unprimeable number, because it can be changed into a prime (6840805117007) 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, 1577195 + ... + 4021088.

It is an arithmetic number, because the mean of its divisors is an integer number (456736000140).

Almost surely, 26840805117001 is an apocalyptic number.

It is an amenable number.

6840805117001 is a deficient number, since it is larger than the sum of its proper divisors (466970885239).

6840805117001 is a wasteful number, since it uses less digits than its factorization.

6840805117001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5599256.

The product of its (nonzero) digits is 53760, while the sum is 41.

The spelling of 6840805117001 in words is "six trillion, eight hundred forty billion, eight hundred five million, one hundred seventeen thousand, one".

Divisors: 1 19 73 881 1387 16739 64313 1221947 5598283 106367377 408674659 4932087323 7764818521 93709659137 360042374579 6840805117001