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13245452040 = 2335281392807
BaseRepresentation
bin11000101010111110…
…11000111100001000
31021012002122200100210
430111133120330020
5204111313431130
610030200001120
7646143325152
oct142537307410
937162580323
1013245452040
115687792187
122697a601a0
1313311b12b2
148d91bdad2
15527c885b0
hex3157d8f08

13245452040 has 64 divisors (see below), whose sum is σ = 39877868160. Its totient is φ = 3519541760.

The previous prime is 13245452039. The next prime is 13245452047. The reversal of 13245452040 is 4025454231.

13245452040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 13245451989 and 13245452007.

It is not an unprimeable number, because it can be changed into a prime (13245452047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162684 + ... + 230123.

It is an arithmetic number, because the mean of its divisors is an integer number (623091690).

Almost surely, 213245452040 is an apocalyptic number.

13245452040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13245452040 is an abundant number, since it is smaller than the sum of its proper divisors (26632416120).

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

13245452040 is a wasteful number, since it uses less digits than its factorization.

13245452040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393102 (or 393098 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 13245452040 in words is "thirteen billion, two hundred forty-five million, four hundred fifty-two thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 281 562 843 1124 1405 1686 2248 2810 3372 4215 5620 6744 8430 11240 16860 33720 392807 785614 1178421 1571228 1964035 2356842 3142456 3928070 4713684 5892105 7856140 9427368 11784210 15712280 23568420 47136840 110378767 220757534 331136301 441515068 551893835 662272602 883030136 1103787670 1324545204 1655681505 2207575340 2649090408 3311363010 4415150680 6622726020 13245452040