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13013034400 = 2552148710939
BaseRepresentation
bin11000001111010001…
…10010010110100000
31020120220022122022001
430013220302112200
5203122314100100
65551134253344
7640321652542
oct140750622640
936526278261
1013013034400
115578578393
122632057254
1312c4cb6772
148b639d692
15512678d6a
hex307a325a0

13013034400 has 72 divisors (see below), whose sum is σ = 31792340160. Its totient is φ = 5201237760.

The previous prime is 13013034361. The next prime is 13013034409. The reversal of 13013034400 is 443031031.

It is not an unprimeable number, because it can be changed into a prime (13013034409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1184131 + ... + 1195069.

It is an arithmetic number, because the mean of its divisors is an integer number (441560280).

Almost surely, 213013034400 is an apocalyptic number.

13013034400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13013034400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15896170080).

13013034400 is an abundant number, since it is smaller than the sum of its proper divisors (18779305760).

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

13013034400 is a wasteful number, since it uses less digits than its factorization.

13013034400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12446 (or 12433 counting only the distinct ones).

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

Adding to 13013034400 its reverse (443031031), we get a palindrome (13456065431).

The spelling of 13013034400 in words is "thirteen billion, thirteen million, thirty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 1487 2974 5948 7435 10939 11896 14870 21878 23792 29740 37175 43756 47584 54695 59480 74350 87512 109390 118960 148700 175024 218780 237920 273475 297400 350048 437560 546950 594800 875120 1093900 1189600 1750240 2187800 4375600 8751200 16266293 32532586 65065172 81331465 130130344 162662930 260260688 325325860 406657325 520521376 650651720 813314650 1301303440 1626629300 2602606880 3253258600 6506517200 13013034400