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1429312869 = 321231129011
BaseRepresentation
bin101010100110001…
…1001010101100101
310200121111121122200
41111030121111211
510411401002434
6353455045113
750263646625
oct12514312545
93617447580
101429312869
1167389aa06
1233a810799
1319a172a7a
14d7b82885
1585735199
hex55319565

1429312869 has 12 divisors (see below), whose sum is σ = 2066256192. Its totient is φ = 952093800.

The previous prime is 1429312861. The next prime is 1429312901. The reversal of 1429312869 is 9682139241.

It is not a de Polignac number, because 1429312869 - 23 = 1429312861 is a prime.

It is a super-2 number, since 2×14293128692 = 4085870554978022322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429312861) 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, 53427 + ... + 75584.

It is an arithmetic number, because the mean of its divisors is an integer number (172188016).

Almost surely, 21429312869 is an apocalyptic number.

It is an amenable number.

1429312869 is a deficient number, since it is larger than the sum of its proper divisors (636943323).

1429312869 is a wasteful number, since it uses less digits than its factorization.

1429312869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130248 (or 130245 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 1429312869 is about 37806.2543635309. The cubic root of 1429312869 is about 1126.4426907440.

The spelling of 1429312869 in words is "one billion, four hundred twenty-nine million, three hundred twelve thousand, eight hundred sixty-nine".

Divisors: 1 3 9 1231 3693 11079 129011 387033 1161099 158812541 476437623 1429312869