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13025035500 = 2235343120147
BaseRepresentation
bin11000010000101101…
…00100010011101100
31020121201220100201020
430020112210103230
5203133402114000
65552243414140
7640525655301
oct141026442354
936551810636
1013025035500
115584324a54
122636084350
1312c76290c9
148b7c050a8
15513749ba0
hex3085a44ec

13025035500 has 96 divisors (see below), whose sum is σ = 38018792448. Its totient is φ = 3465112000.

The previous prime is 13025035489. The next prime is 13025035501. The reversal of 13025035500 is 553052031.

It is not an unprimeable number, because it can be changed into a prime (13025035501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 636427 + ... + 656573.

It is an arithmetic number, because the mean of its divisors is an integer number (396029088).

Almost surely, 213025035500 is an apocalyptic number.

13025035500 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 13025035500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19009396224).

13025035500 is an abundant number, since it is smaller than the sum of its proper divisors (24993756948).

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

13025035500 is a wasteful number, since it uses less digits than its factorization.

13025035500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20600 (or 20588 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

Adding to 13025035500 its reverse (553052031), we get a palindrome (13578087531).

The spelling of 13025035500 in words is "thirteen billion, twenty-five million, thirty-five thousand, five hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 125 150 250 300 375 431 500 750 862 1293 1500 1724 2155 2586 4310 5172 6465 8620 10775 12930 20147 21550 25860 32325 40294 43100 53875 60441 64650 80588 100735 107750 120882 129300 161625 201470 215500 241764 302205 323250 402940 503675 604410 646500 1007350 1208820 1511025 2014700 2518375 3022050 5036750 6044100 7555125 8683357 10073500 15110250 17366714 26050071 30220500 34733428 43416785 52100142 86833570 104200284 130250355 173667140 217083925 260500710 434167850 521001420 651251775 868335700 1085419625 1302503550 2170839250 2605007100 3256258875 4341678500 6512517750 13025035500