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13012021330 = 2571116898729
BaseRepresentation
bin11000001111001001…
…11011000001010010
31020120211102011121221
430013210323001102
5203122034140310
65551100435254
7640310233150
oct140744730122
936524364557
1013012021330
115577a46240
122631848b2a
1312c4a20609
148b61b83d0
15512528ada
hex30793b052

13012021330 has 32 divisors (see below), whose sum is σ = 29201005440. Its totient is φ = 4055694720.

The previous prime is 13012021307. The next prime is 13012021409. The reversal of 13012021330 is 3312021031.

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, 8448595 + ... + 8450134.

It is an arithmetic number, because the mean of its divisors is an integer number (912531420).

Almost surely, 213012021330 is an apocalyptic number.

13012021330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13012021330 is an abundant number, since it is smaller than the sum of its proper divisors (16188984110).

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

13012021330 is a wasteful number, since it uses less digits than its factorization.

13012021330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16898754.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13012021330 its reverse (3312021031), we get a palindrome (16324042361).

The spelling of 13012021330 in words is "thirteen billion, twelve million, twenty-one thousand, three hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 770 16898729 33797458 84493645 118291103 168987290 185886019 236582206 371772038 591455515 929430095 1182911030 1301202133 1858860190 2602404266 6506010665 13012021330