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5418378622987 = 11977997505693
BaseRepresentation
bin100111011011001000010…
…0010000111100000001011
3201011222210010022021112021
41032312100202013200023
51202233314411413422
615305100242225311
71066315321244311
oct116662042074013
921158703267467
105418378622987
1117a9a15526380
12736150055237
13303c491cb345
1414a3727740b1
1595e27862dc7
hex4ed9088780b

5418378622987 has 16 divisors (see below), whose sum is σ = 5922955134432. Its totient is φ = 4915811704320.

The previous prime is 5418378622961. The next prime is 5418378623039. The reversal of 5418378622987 is 7892268738145.

It is not a de Polignac number, because 5418378622987 - 211 = 5418378620939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5418378622087) 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, 10461913 + ... + 10967605.

It is an arithmetic number, because the mean of its divisors is an integer number (370184695902).

Almost surely, 25418378622987 is an apocalyptic number.

5418378622987 is a deficient number, since it is larger than the sum of its proper divisors (504576511445).

5418378622987 is a wasteful number, since it uses less digits than its factorization.

5418378622987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507678.

The product of its digits is 325140480, while the sum is 70.

The spelling of 5418378622987 in words is "five trillion, four hundred eighteen billion, three hundred seventy-eight million, six hundred twenty-two thousand, nine hundred eighty-seven".

Divisors: 1 11 977 997 10747 10967 505693 974069 5562623 10714759 494062061 504175921 5434682671 5545935131 492579874817 5418378622987