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13103331144 = 2331481368651
BaseRepresentation
bin11000011010000010…
…01111011101001000
31020211012020012010220
430031001033131020
5203313423044034
610004121510040
7642466322421
oct141501173510
936735205126
1013103331144
1156145416a2
122658342320
13130a9107a7
148c4386648
1551a563749
hex30d04f748

13103331144 has 32 divisors (see below), whose sum is σ = 32780535840. Its totient is φ = 4364816000.

The previous prime is 13103331119. The next prime is 13103331191. The reversal of 13103331144 is 44113330131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148782 + ... + 219869.

It is an arithmetic number, because the mean of its divisors is an integer number (1024391745).

Almost surely, 213103331144 is an apocalyptic number.

It is an amenable number.

13103331144 is an abundant number, since it is smaller than the sum of its proper divisors (19677204696).

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

13103331144 is a wasteful number, since it uses less digits than its factorization.

13103331144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370141 (or 370137 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13103331144 its reverse (44113330131), we get a palindrome (57216661275).

The spelling of 13103331144 in words is "thirteen billion, one hundred three million, three hundred thirty-one thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 1481 2962 4443 5924 8886 11848 17772 35544 368651 737302 1105953 1474604 2211906 2949208 4423812 8847624 545972131 1091944262 1637916393 2183888524 3275832786 4367777048 6551665572 13103331144