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13032301240 = 235746543933
BaseRepresentation
bin11000010001100100…
…10010001010111000
31020122020120111102201
430020302102022320
5203142232114430
65553103235544
7640644506230
oct141062221270
936566514381
1013032301240
1155884378a2
1226385a8bb4
1312c8ca126a
148b8b76cc0
155141d28ca
hex308c922b8

13032301240 has 32 divisors (see below), whose sum is σ = 33511632480. Its totient is φ = 4468217472.

The previous prime is 13032301207. The next prime is 13032301259. The reversal of 13032301240 is 4210323031.

It is a super-2 number, since 2×130323012402 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23271687 + ... + 23272246.

It is an arithmetic number, because the mean of its divisors is an integer number (1047238515).

Almost surely, 213032301240 is an apocalyptic number.

13032301240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13032301240 is an abundant number, since it is smaller than the sum of its proper divisors (20479331240).

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

13032301240 is a wasteful number, since it uses less digits than its factorization.

13032301240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46543951 (or 46543947 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13032301240 its reverse (4210323031), we get a palindrome (17242624271).

The spelling of 13032301240 in words is "thirteen billion, thirty-two million, three hundred one thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 46543933 93087866 186175732 232719665 325807531 372351464 465439330 651615062 930878660 1303230124 1629037655 1861757320 2606460248 3258075310 6516150620 13032301240