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1513750668 = 2234115719597
BaseRepresentation
bin101101000111010…
…0000000010001100
310220111101111112120
41122032200002030
511100010010133
6410112532540
752340445153
oct13216400214
93814344476
101513750668
11707522311
12362b51150
131b17c8071
1410508259a
158cd63ab3
hex5a3a008c

1513750668 has 48 divisors (see below), whose sum is σ = 3641465184. Its totient is φ = 489116160.

The previous prime is 1513750663. The next prime is 1513750699. The reversal of 1513750668 is 8660573151.

It is not an unprimeable number, because it can be changed into a prime (1513750661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67446 + ... + 87042.

It is an arithmetic number, because the mean of its divisors is an integer number (75863858).

Almost surely, 21513750668 is an apocalyptic number.

It is an amenable number.

1513750668 is an abundant number, since it is smaller than the sum of its proper divisors (2127714516).

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

1513750668 is a wasteful number, since it uses less digits than its factorization.

1513750668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19802 (or 19800 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The square root of 1513750668 is about 38906.9488395068. The cubic root of 1513750668 is about 1148.2015159768.

The spelling of 1513750668 in words is "one billion, five hundred thirteen million, seven hundred fifty thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 12 41 82 123 157 164 246 314 471 492 628 942 1884 6437 12874 19311 19597 25748 38622 39194 58791 77244 78388 117582 235164 803477 1606954 2410431 3076729 3213908 4820862 6153458 9230187 9641724 12306916 18460374 36920748 126145889 252291778 378437667 504583556 756875334 1513750668