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26946728151 = 373989321679
BaseRepresentation
bin11001000110001001…
…100111000011010111
32120112222000121210120
4121012021213003113
5420141330300101
620213521523023
71642523260440
oct310611470327
976488017716
1026946728151
11104787a8772
1252804a3473
13270594b175
141438b362c7
15a7aa60b36
hex6462670d7

26946728151 has 16 divisors (see below), whose sum is σ = 41072102400. Its totient is φ = 15394222368.

The previous prime is 26946728143. The next prime is 26946728153. The reversal of 26946728151 is 15182764962.

It is not a de Polignac number, because 26946728151 - 23 = 26946728143 is a prime.

It is a super-2 number, since 2×269467281512 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26946728094 and 26946728103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26946728153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77071 + ... + 244608.

It is an arithmetic number, because the mean of its divisors is an integer number (2567006400).

Almost surely, 226946728151 is an apocalyptic number.

26946728151 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

26946728151 is a deficient number, since it is larger than the sum of its proper divisors (14125374249).

26946728151 is a wasteful number, since it uses less digits than its factorization.

26946728151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325678.

The product of its digits is 1451520, while the sum is 51.

The spelling of 26946728151 in words is "twenty-six billion, nine hundred forty-six million, seven hundred twenty-eight thousand, one hundred fifty-one".

Divisors: 1 3 7 21 3989 11967 27923 83769 321679 965037 2251753 6755259 1283177531 3849532593 8982242717 26946728151