Search a number
-
+
164751270280 = 2354118781757
BaseRepresentation
bin1001100101101111110…
…0001110000110001000
3120202020210120200112021
42121123330032012020
510144402311122110
6203404035254224
714621455456102
oct2313374160610
9522223520467
10164751270280
1163963884913
1227b1aa4a374
13126c770c05c
147d8c94a572
154443b612da
hex265bf0e188

164751270280 has 16 divisors (see below), whose sum is σ = 370690358220. Its totient is φ = 65900508096.

The previous prime is 164751270263. The next prime is 164751270283. The reversal of 164751270280 is 82072157461.

It can be written as a sum of positive squares in 2 ways, for example, as 159173869156 + 5577401124 = 398966^2 + 74682^2 .

It is a super-2 number, since 2×1647512702802 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164751270283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2059390839 + ... + 2059390918.

Almost surely, 2164751270280 is an apocalyptic number.

164751270280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164751270280 is an abundant number, since it is smaller than the sum of its proper divisors (205939087940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164751270280 is a wasteful number, since it uses less digits than its factorization.

164751270280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118781768 (or 4118781764 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 164751270280 in words is "one hundred sixty-four billion, seven hundred fifty-one million, two hundred seventy thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 4118781757 8237563514 16475127028 20593908785 32950254056 41187817570 82375635140 164751270280