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260304431340 = 223531139948619
BaseRepresentation
bin1111001001101101011…
…0100110100011101100
3220212220001201012112110
43302123112212203230
513231100413300330
6315325431204020
724543405105432
oct3623326464354
9825801635473
10260304431340
11a043807a008
1242547516610
131b714b69145
14c85517cd52
156b877addb0
hex3c9b5a68ec

260304431340 has 48 divisors (see below), whose sum is σ = 752363781120. Its totient is φ = 67175336640.

The previous prime is 260304431311. The next prime is 260304431369. The reversal of 260304431340 is 43134403062.

It is an interprime number because it is at equal distance from previous prime (260304431311) and next prime (260304431369).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 260304431298 and 260304431307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69972450 + ... + 69976169.

It is an arithmetic number, because the mean of its divisors is an integer number (15674245440).

Almost surely, 2260304431340 is an apocalyptic number.

260304431340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260304431340 is an abundant number, since it is smaller than the sum of its proper divisors (492059349780).

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

260304431340 is a wasteful number, since it uses less digits than its factorization.

260304431340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139948662 (or 139948660 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

The spelling of 260304431340 in words is "two hundred sixty billion, three hundred four million, four hundred thirty-one thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 465 620 930 1860 139948619 279897238 419845857 559794476 699743095 839691714 1399486190 1679383428 2099229285 2798972380 4198458570 4338407189 8396917140 8676814378 13015221567 17353628756 21692035945 26030443134 43384071890 52060886268 65076107835 86768143780 130152215670 260304431340