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25302013000 = 23531115115233
BaseRepresentation
bin10111100100000111…
…100001010001001000
32102022100012102202121
4113210013201101020
5403304303404000
615342405541024
71554002363515
oct274407412110
972270172677
1025302013000
11a804365950
124aa1714774
132502c8a634
14132052230c
159d147cb1a
hex5e41e1448

25302013000 has 128 divisors (see below), whose sum is σ = 65021149440. Its totient is φ = 9139200000.

The previous prime is 25302012997. The next prime is 25302013021. The reversal of 25302013000 is 31020352.

It is a super-3 number, since 3×253020130003 (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1653384 + ... + 1668616.

It is an arithmetic number, because the mean of its divisors is an integer number (507977730).

Almost surely, 225302013000 is an apocalyptic number.

25302013000 is a gapful number since it is divisible by the number (20) 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 25302013000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32510574720).

25302013000 is an abundant number, since it is smaller than the sum of its proper divisors (39719136440).

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

25302013000 is a wasteful number, since it uses less digits than its factorization.

25302013000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15416 (or 15402 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

Adding to 25302013000 its reverse (31020352), we get a palindrome (25333033352).

The spelling of 25302013000 in words is "twenty-five billion, three hundred two million, thirteen thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 125 151 200 220 250 275 302 440 500 550 604 755 1000 1100 1208 1375 1510 1661 2200 2750 3020 3322 3775 5500 6040 6644 7550 8305 11000 13288 15100 15233 16610 18875 30200 30466 33220 37750 41525 60932 66440 75500 76165 83050 121864 151000 152330 166100 167563 207625 304660 332200 335126 380825 415250 609320 670252 761650 830500 837815 1340504 1523300 1661000 1675630 1904125 2300183 3046600 3351260 3808250 4189075 4600366 6702520 7616500 8378150 9200732 11500915 15233000 16756300 18401464 20945375 23001830 25302013 33512600 41890750 46003660 50604026 57504575 83781500 92007320 101208052 115009150 126510065 167563000 202416104 230018300 253020130 287522875 460036600 506040260 575045750 632550325 1012080520 1150091500 1265100650 2300183000 2530201300 3162751625 5060402600 6325503250 12651006500 25302013000