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13303023020 = 2257787120739
BaseRepresentation
bin11000110001110110…
…00000010110101100
31021100002222120220022
430120323000112230
5204221033214040
610040013541312
7650442554450
oct143073002654
937302876808
1013303023020
115707234101
1226b31a4838
1313400ba771
14902ac8660
1552cd5b6b5
hex318ec05ac

13303023020 has 48 divisors (see below), whose sum is σ = 31968088320. Its totient is φ = 4555203264.

The previous prime is 13303023007. The next prime is 13303023029. The reversal of 13303023020 is 2032030331.

It is a self number, because there is not a number n which added to its sum of digits gives 13303023020.

It is not an unprimeable number, because it can be changed into a prime (13303023029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49811 + ... + 170549.

It is an arithmetic number, because the mean of its divisors is an integer number (666001840).

Almost surely, 213303023020 is an apocalyptic number.

13303023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13303023020 is an abundant number, since it is smaller than the sum of its proper divisors (18665065300).

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

13303023020 is a wasteful number, since it uses less digits than its factorization.

13303023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121542 (or 121540 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 13303023020 its reverse (2032030331), we get a palindrome (15335053351).

The spelling of 13303023020 in words is "thirteen billion, three hundred three million, twenty-three thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 787 1574 3148 3935 5509 7870 11018 15740 22036 27545 55090 110180 120739 241478 482956 603695 845173 1207390 1690346 2414780 3380692 4225865 8451730 16903460 95021593 190043186 380086372 475107965 665151151 950215930 1330302302 1900431860 2660604604 3325755755 6651511510 13303023020