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1128260038 = 24091379291
BaseRepresentation
bin100001100111111…
…1110000111000110
32220122000112210211
41003033332013012
54302313310123
6303542310034
736650023603
oct10317760706
92818015724
101128260038
11529967514
12275a2831a
1314c9969b9
14a9bb76aa
15690b940d
hex433fe1c6

1128260038 has 8 divisors (see below), whose sum is σ = 1696529160. Its totient is φ = 562750320.

The previous prime is 1128259997. The next prime is 1128260039. The reversal of 1128260038 is 8300628211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11282600382 = 2545941426695522888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1128259991 and 1128260009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128260039) 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 3 ways as a sum of consecutive naturals, for example, 688828 + ... + 690463.

It is an arithmetic number, because the mean of its divisors is an integer number (212066145).

Almost surely, 21128260038 is an apocalyptic number.

1128260038 is a deficient number, since it is larger than the sum of its proper divisors (568269122).

1128260038 is a wasteful number, since it uses less digits than its factorization.

1128260038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379702.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 1128260038 is about 33589.5822837975. The cubic root of 1128260038 is about 1041.0455578465.

Adding to 1128260038 its reverse (8300628211), we get a palindrome (9428888249).

The spelling of 1128260038 in words is "one billion, one hundred twenty-eight million, two hundred sixty thousand, thirty-eight".

Divisors: 1 2 409 818 1379291 2758582 564130019 1128260038