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260985428934 = 2393414656629
BaseRepresentation
bin1111001100001111110…
…0011001101111000110
3220221122112010110121120
43303003330121233012
513233444232211214
6315521155254410
724566314354236
oct3630374315706
9827575113546
10260985428934
11a075751a63a
12426b75aa406
131b7c2c841b9
14c8bb7abcc6
156bc747aea9
hex3cc3f19bc6

260985428934 has 16 divisors (see below), whose sum is σ = 522026849520. Its totient is φ = 86985811040.

The previous prime is 260985428929. The next prime is 260985428939. The reversal of 260985428934 is 439824589062.

It is an interprime number because it is at equal distance from previous prime (260985428929) and next prime (260985428939).

It is a super-2 number, since 2×2609854289342 (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260985428939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2272269 + ... + 2384360.

It is an arithmetic number, because the mean of its divisors is an integer number (32626678095).

Almost surely, 2260985428934 is an apocalyptic number.

260985428934 is an abundant number, since it is smaller than the sum of its proper divisors (261041420586).

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

260985428934 is a wasteful number, since it uses less digits than its factorization.

260985428934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665975.

The product of its (nonzero) digits is 29859840, while the sum is 60.

The spelling of 260985428934 in words is "two hundred sixty billion, nine hundred eighty-five million, four hundred twenty-eight thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 9341 18682 28023 56046 4656629 9313258 13969887 27939774 43497571489 86995142978 130492714467 260985428934