Search a number
-
+
28076870435 = 55615374087
BaseRepresentation
bin11010001001100000…
…110000101100100011
32200110201120210120012
4122021200300230203
5430000134323220
620522012435135
72012525314055
oct321140605443
980421523505
1028076870435
11109a8730359
125536a78aab
132855b23803
141504c7d8d5
15ae4d9cac5
hex689830b23

28076870435 has 4 divisors (see below), whose sum is σ = 33692244528. Its totient is φ = 22461496344.

The previous prime is 28076870429. The next prime is 28076870441. The reversal of 28076870435 is 53407867082.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (28076870429) and next prime (28076870441).

It is a cyclic number.

It is not a de Polignac number, because 28076870435 - 28 = 28076870179 is a prime.

It is a super-4 number, since 4×280768704354 (a number of 43 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2807687039 + ... + 2807687048.

It is an arithmetic number, because the mean of its divisors is an integer number (8423061132).

Almost surely, 228076870435 is an apocalyptic number.

28076870435 is a deficient number, since it is larger than the sum of its proper divisors (5615374093).

28076870435 is an equidigital number, since it uses as much as digits as its factorization.

28076870435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5615374092.

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 28076870435 in words is "twenty-eight billion, seventy-six million, eight hundred seventy thousand, four hundred thirty-five".

Divisors: 1 5 5615374087 28076870435