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1013304020 = 225471995417
BaseRepresentation
bin111100011001011…
…100101011010100
32121121201011210112
4330121130223110
54033401212040
6244314342152
734052641061
oct7431345324
92547634715
101013304020
1147aa90343
1224342a958
13131c178a1
1498811c68
155de5d365
hex3c65cad4

1013304020 has 48 divisors (see below), whose sum is σ = 2184537600. Its totient is φ = 394631424.

The previous prime is 1013304011. The next prime is 1013304049. The reversal of 1013304020 is 204033101.

It is a junction number, because it is equal to n+sod(n) for n = 1013303986 and 1013304004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184352 + ... + 189768.

It is an arithmetic number, because the mean of its divisors is an integer number (45511200).

Almost surely, 21013304020 is an apocalyptic number.

1013304020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1013304020 is an abundant number, since it is smaller than the sum of its proper divisors (1171233580).

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

1013304020 is a wasteful number, since it uses less digits than its factorization.

1013304020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5672 (or 5670 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1013304020 is about 31832.4366016804. The cubic root of 1013304020 is about 1004.4151510852.

Adding to 1013304020 its reverse (204033101), we get a palindrome (1217337121).

The spelling of 1013304020 in words is "one billion, thirteen million, three hundred four thousand, twenty".

Divisors: 1 2 4 5 10 20 47 94 188 199 235 398 470 796 940 995 1990 3980 5417 9353 10834 18706 21668 27085 37412 46765 54170 93530 108340 187060 254599 509198 1018396 1077983 1272995 2155966 2545990 4311932 5091980 5389915 10779830 21559660 50665201 101330402 202660804 253326005 506652010 1013304020