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1513062500 = 225643563
BaseRepresentation
bin101101000101111…
…1000000001100100
310220110002112112212
41122023320001210
511044321000000
6410050102552
752331550635
oct13213700144
93813075485
101513062500
117070a2284
1236287aa58
131b1616a71
14104d4388c
158cc79c35
hex5a2f8064

1513062500 has 84 divisors (see below), whose sum is σ = 3392769072. Its totient is φ = 590100000.

The previous prime is 1513062491. The next prime is 1513062533. The reversal of 1513062500 is 52603151.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2687219 + ... + 2687781.

It is an arithmetic number, because the mean of its divisors is an integer number (40390108).

Almost surely, 21513062500 is an apocalyptic number.

1513062500 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 1513062500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1696384536).

1513062500 is an abundant number, since it is smaller than the sum of its proper divisors (1879706572).

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

1513062500 is an frugal number, since it uses more digits than its factorization.

1513062500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1513062500 is about 38898.1040669079. The cubic root of 1513062500 is about 1148.0274945157.

Adding to 1513062500 its reverse (52603151), we get a palindrome (1565665651).

The spelling of 1513062500 in words is "one billion, five hundred thirteen million, sixty-two thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 43 50 86 100 125 172 215 250 430 500 563 625 860 1075 1126 1250 2150 2252 2500 2815 3125 4300 5375 5630 6250 10750 11260 12500 14075 15625 21500 24209 26875 28150 31250 48418 53750 56300 62500 70375 96836 107500 121045 134375 140750 242090 268750 281500 351875 484180 537500 605225 671875 703750 1210450 1343750 1407500 1759375 2420900 2687500 3026125 3518750 6052250 7037500 8796875 12104500 15130625 17593750 30261250 35187500 60522500 75653125 151306250 302612500 378265625 756531250 1513062500