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113405253250 = 253171271631289
BaseRepresentation
bin110100110011101111…
…0101101011010000010
3101211201101222202122211
41221213132231122002
53324223221101000
6124033032052334
711123200514332
oct1514736553202
9354641882584
10113405253250
11441053442a3
1219b8b2340aa
13a903b41b63
1456bb55b0c2
152e3b03b7ba
hex1a677ad682

113405253250 has 128 divisors (see below), whose sum is σ = 228119224320. Its totient is φ = 42065049600.

The previous prime is 113405253229. The next prime is 113405253257. The reversal of 113405253250 is 52352504311.

It is not an unprimeable number, because it can be changed into a prime (113405253257) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 87978606 + ... + 87979894.

It is an arithmetic number, because the mean of its divisors is an integer number (1782181440).

Almost surely, 2113405253250 is an apocalyptic number.

113405253250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113405253250 is an abundant number, since it is smaller than the sum of its proper divisors (114713971070).

113405253250 is a wasteful number, since it uses less digits than its factorization.

113405253250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613 (or 1603 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 113405253250 its reverse (52352504311), we get a palindrome (165757757561).

The spelling of 113405253250 in words is "one hundred thirteen billion, four hundred five million, two hundred fifty-three thousand, two hundred fifty".

Divisors: 1 2 5 10 17 25 34 50 85 125 127 163 170 250 254 326 425 635 815 850 1270 1289 1630 2125 2159 2578 2771 3175 4075 4250 4318 5542 6350 6445 8150 10795 12890 13855 15875 20375 20701 21590 21913 27710 31750 32225 40750 41402 43826 53975 64450 69275 103505 107950 109565 138550 161125 163703 207010 210107 219130 269875 322250 327406 346375 351917 420214 517525 539750 547825 692750 703834 818515 1035050 1050535 1095650 1637030 1759585 2101070 2587625 2739125 2782951 3519170 3571819 4092575 5175250 5252675 5478250 5565902 7143638 8185150 8797925 10505350 13914755 17595850 17859095 20462875 26263375 26683589 27829510 35718190 40925750 43989625 52526750 53367178 69573775 87979250 89295475 133417945 139147550 178590950 266835890 347868875 446477375 453621013 667089725 695737750 892954750 907242026 1334179450 2268105065 3335448625 4536210130 6670897250 11340525325 22681050650 56702626625 113405253250