Search a number
-
+
6374870273891 = 77925214572707
BaseRepresentation
bin101110011000100001111…
…1000001100111101100011
3211120102122200002120022102
41130301003320030331203
51313421213242231031
621320324110001015
71225366141160450
oct134610370147543
924512580076272
106374870273891
112038627093669
1286b5ab1a616b
133731bc613a02
1418078c6ba827
15b0c595d67cb
hex5cc43e0cf63

6374870273891 has 16 divisors (see below), whose sum is σ = 7380716528640. Its totient is φ = 5392866548160.

The previous prime is 6374870273857. The next prime is 6374870273903. The reversal of 6374870273891 is 1983720784736.

It is a de Polignac number, because none of the positive numbers 2k-6374870273891 is a prime.

It is a super-2 number, since 2×63748702738912 (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6374870278891) 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, 892241 + ... + 3680466.

It is an arithmetic number, because the mean of its divisors is an integer number (461294783040).

Almost surely, 26374870273891 is an apocalyptic number.

6374870273891 is a deficient number, since it is larger than the sum of its proper divisors (1005846254749).

6374870273891 is a wasteful number, since it uses less digits than its factorization.

6374870273891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4575314.

The product of its (nonzero) digits is 85349376, while the sum is 65.

The spelling of 6374870273891 in words is "six trillion, three hundred seventy-four billion, eight hundred seventy million, two hundred seventy-three thousand, eight hundred ninety-one".

Divisors: 1 7 79 553 2521 17647 199159 1394113 4572707 32008949 361243853 2528706971 11527794347 80694560429 910695753413 6374870273891