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1429078680 = 233351323221
BaseRepresentation
bin101010100101110…
…0000001010011000
310200121001201102000
41111023200022120
510411321004210
6353450041000
750261653101
oct12513401230
93617051360
101429078680
1167374aa67
1233a719160
1319a0c02b3
14d7b213a8
15856daac0
hex552e0298

1429078680 has 64 divisors (see below), whose sum is σ = 4763599200. Its totient is φ = 381087360.

The previous prime is 1429078627. The next prime is 1429078681. The reversal of 1429078680 is 868709241.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429078681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660531 + ... + 662690.

Almost surely, 21429078680 is an apocalyptic number.

1429078680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1429078680 is an abundant number, since it is smaller than the sum of its proper divisors (3334520520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1429078680 is a wasteful number, since it uses less digits than its factorization.

1429078680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323241 (or 1323231 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 1429078680 is about 37803.1570110222. The cubic root of 1429078680 is about 1126.3811658668.

The spelling of 1429078680 in words is "one billion, four hundred twenty-nine million, seventy-eight thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 108 120 135 180 216 270 360 540 1080 1323221 2646442 3969663 5292884 6616105 7939326 10585768 11908989 13232210 15878652 19848315 23817978 26464420 31757304 35726967 39696630 47635956 52928840 59544945 71453934 79393260 95271912 119089890 142907868 158786520 178634835 238179780 285815736 357269670 476359560 714539340 1429078680