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10828397969 = 48947221227
BaseRepresentation
bin10100001010110110…
…00011110110010001
31000221122112121111122
422011123003312101
5134134032213334
64550254052025
7532223602244
oct120533036621
930848477448
1010828397969
114657391734
1221224aa015
13103750409c
1474a1a125b
1543599432e
hex2856c3d91

10828397969 has 4 divisors (see below), whose sum is σ = 10828668144. Its totient is φ = 10828127796.

The previous prime is 10828397933. The next prime is 10828398043. The reversal of 10828397969 is 96979382801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96979382801 = 713854197543.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10828397969 is a prime.

It is a super-2 number, since 2×108283979692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10828391969) 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, 61667 + ... + 159560.

It is an arithmetic number, because the mean of its divisors is an integer number (2707167036).

Almost surely, 210828397969 is an apocalyptic number.

It is an amenable number.

10828397969 is a deficient number, since it is larger than the sum of its proper divisors (270175).

10828397969 is an equidigital number, since it uses as much as digits as its factorization.

10828397969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270174.

The product of its (nonzero) digits is 11757312, while the sum is 62.

The spelling of 10828397969 in words is "ten billion, eight hundred twenty-eight million, three hundred ninety-seven thousand, nine hundred sixty-nine".

Divisors: 1 48947 221227 10828397969