Search a number
-
+
13800129504 = 2537210192879
BaseRepresentation
bin11001101101000110…
…10100001111100000
31022121202101012210120
430312203110033200
5211230313121004
610201212400240
7665660110500
oct146643241740
938552335716
1013800129504
1159418a4607
122811776080
1313bc09b805
1494cb29a00
1555b8023d9
hex3368d43e0

13800129504 has 144 divisors (see below), whose sum is σ = 42195686400. Its totient is φ = 3937656576.

The previous prime is 13800129503. The next prime is 13800129521. The reversal of 13800129504 is 40592100831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13800129503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4791937 + ... + 4794815.

It is an arithmetic number, because the mean of its divisors is an integer number (293025600).

Almost surely, 213800129504 is an apocalyptic number.

13800129504 is a gapful number since it is divisible by the number (14) 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 13800129504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21097843200).

13800129504 is an abundant number, since it is smaller than the sum of its proper divisors (28395556896).

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

13800129504 is a wasteful number, since it uses less digits than its factorization.

13800129504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3925 (or 3910 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 13800129504 in words is "thirteen billion, eight hundred million, one hundred twenty-nine thousand, five hundred four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 84 96 98 112 147 168 196 224 294 336 392 588 672 784 1019 1176 1568 2038 2352 2879 3057 4076 4704 5758 6114 7133 8152 8637 11516 12228 14266 16304 17274 20153 21399 23032 24456 28532 32608 34548 40306 42798 46064 48912 49931 57064 60459 69096 80612 85596 92128 97824 99862 114128 120918 138192 141071 149793 161224 171192 199724 228256 241836 276384 282142 299586 322448 342384 399448 423213 483672 564284 599172 644896 684768 798896 846426 967344 1128568 1198344 1597792 1692852 1934688 2257136 2396688 2933701 3385704 4514272 4793376 5867402 6771408 8801103 11734804 13542816 17602206 20535907 23469608 35204412 41071814 46939216 61607721 70408824 82143628 93878432 123215442 140817648 143751349 164287256 246430884 281635296 287502698 328574512 431254047 492861768 575005396 657149024 862508094 985723536 1150010792 1725016188 1971447072 2300021584 3450032376 4600043168 6900064752 13800129504