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1129300931 = 1110928641
BaseRepresentation
bin100001101001111…
…1100001111000011
32220200222102122102
41003103330033003
54303100112211
6304020501015
736661620353
oct10323741703
92820872572
101129300931
1152a508560
1227624a76b
1314cc6c705
14a9da8b63
1569222a3b
hex434fc3c3

1129300931 has 12 divisors (see below), whose sum is σ = 1243514664. Its totient is φ = 1017100800.

The previous prime is 1129300901. The next prime is 1129300969. The reversal of 1129300931 is 1390039211.

It is not a de Polignac number, because 1129300931 - 214 = 1129284547 is a prime.

It is a super-2 number, since 2×11293009312 = 2550641185514933522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1129300894 and 1129300903.

It is not an unprimeable number, because it can be changed into a prime (1129300901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126371 + ... + 135011.

It is an arithmetic number, because the mean of its divisors is an integer number (103626222).

Almost surely, 21129300931 is an apocalyptic number.

1129300931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1129300931 is a deficient number, since it is larger than the sum of its proper divisors (114213733).

1129300931 is an equidigital number, since it uses as much as digits as its factorization.

1129300931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8870 (or 8761 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 1129300931 is about 33605.0729950107. The cubic root of 1129300931 is about 1041.3656034425.

The spelling of 1129300931 in words is "one billion, one hundred twenty-nine million, three hundred thousand, nine hundred thirty-one".

Divisors: 1 11 109 1199 8641 11881 95051 130691 941869 10360559 102663721 1129300931