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13124401400 = 23521116336599
BaseRepresentation
bin11000011100100011…
…00111100011111000
31020212122212200002202
430032101213203320
5203334321321100
610010153245332
7643143366635
oct141621474370
936778780082
1013124401400
115625423030
122663403848
1313120aa0b6
148c70ad18c
1551c3267d5
hex30e4678f8

13124401400 has 96 divisors (see below), whose sum is σ = 33493392000. Its totient is φ = 4743100800.

The previous prime is 13124401393. The next prime is 13124401429. The reversal of 13124401400 is 410442131.

13124401400 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 (20).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 340301 + ... + 376899.

It is an arithmetic number, because the mean of its divisors is an integer number (348889500).

Almost surely, 213124401400 is an apocalyptic number.

13124401400 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 13124401400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16746696000).

13124401400 is an abundant number, since it is smaller than the sum of its proper divisors (20368990600).

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

13124401400 is a wasteful number, since it uses less digits than its factorization.

13124401400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36789 (or 36780 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 13124401400 its reverse (410442131), we get a palindrome (13534843531).

The spelling of 13124401400 in words is "thirteen billion, one hundred twenty-four million, four hundred one thousand, four hundred".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 163 200 220 275 326 440 550 652 815 1100 1304 1630 1793 2200 3260 3586 4075 6520 7172 8150 8965 14344 16300 17930 32600 35860 36599 44825 71720 73198 89650 146396 179300 182995 292792 358600 365990 402589 731980 805178 914975 1463960 1610356 1829950 2012945 3220712 3659900 4025890 5965637 7319800 8051780 10064725 11931274 16103560 20129450 23862548 29828185 40258900 47725096 59656370 65622007 80517800 119312740 131244014 149140925 238625480 262488028 298281850 328110035 524976056 596563700 656220070 1193127400 1312440140 1640550175 2624880280 3281100350 6562200700 13124401400