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677678442873 = 31926944197381
BaseRepresentation
bin10011101110010001100…
…10000110100101111001
32101210012120112210210220
421313020302012211321
542100341140132443
61235153212530253
766650334502335
oct11671062064571
92353176483726
10677678442873
112414468a5423
12ab409180989
134bb9bb10083
1424b2a97c7c5
151296460ca83
hex9dc8c86979

677678442873 has 16 divisors (see below), whose sum is σ = 954663451200. Its totient is φ = 426416322240.

The previous prime is 677678442851. The next prime is 677678442887. The reversal of 677678442873 is 378244876776.

677678442873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 677678442873 - 210 = 677678441849 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 677678442798 and 677678442807.

It is not an unprimeable number, because it can be changed into a prime (677678402873) 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, 22083358 + ... + 22114023.

It is an arithmetic number, because the mean of its divisors is an integer number (59666465700).

Almost surely, 2677678442873 is an apocalyptic number.

It is an amenable number.

677678442873 is a deficient number, since it is larger than the sum of its proper divisors (276985008327).

677678442873 is a wasteful number, since it uses less digits than its factorization.

677678442873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44197672.

The product of its digits is 531062784, while the sum is 69.

The spelling of 677678442873 in words is "six hundred seventy-seven billion, six hundred seventy-eight million, four hundred forty-two thousand, eight hundred seventy-three".

Divisors: 1 3 19 57 269 807 5111 15333 44197381 132592143 839750239 2519250717 11889095489 35667286467 225892814291 677678442873