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13111023002 = 2721121105669
BaseRepresentation
bin11000011010111101…
…00101010110011010
31020211201200222101112
430031132211112122
5203322410214002
610004554420322
7642621566600
oct141536452632
936751628345
1013111023002
115618915700
12265aa316a2
13130c3a489c
148c53c9870
1551b082852
hex30d7a559a

13111023002 has 36 divisors (see below), whose sum is σ = 25146252810. Its totient is φ = 5108186160.

The previous prime is 13111022963. The next prime is 13111023031. The reversal of 13111023002 is 20032011131.

It can be written as a sum of positive squares in only one way, i.e., 13110021001 + 1002001 = 114499^2 + 1001^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 540977 + ... + 564692.

Almost surely, 213111023002 is an apocalyptic number.

13111023002 is a deficient number, since it is larger than the sum of its proper divisors (12035229808).

13111023002 is a wasteful number, since it uses less digits than its factorization.

13111023002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105707 (or 1105689 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 13111023002 its reverse (20032011131), we get a palindrome (33143034133).

The spelling of 13111023002 in words is "thirteen billion, one hundred eleven million, twenty-three thousand, two".

Divisors: 1 2 7 11 14 22 49 77 98 121 154 242 539 847 1078 1694 5929 11858 1105669 2211338 7739683 12162359 15479366 24324718 54177781 85136513 108355562 133785949 170273026 267571898 595955591 936501643 1191911182 1873003286 6555511501 13111023002