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13013200269 = 321445911141
BaseRepresentation
bin11000001111010010…
…11010110110001101
31020120220122001211100
430013221122312031
5203122334402034
65551142013313
7640323243246
oct140751326615
936526561740
1013013200269
115578680a73
122632117239
1312c5044104
148b6403ccd
155126ad099
hex307a5ad8d

13013200269 has 6 divisors (see below), whose sum is σ = 18796844846. Its totient is φ = 8675466840.

The previous prime is 13013200261. The next prime is 13013200279. The reversal of 13013200269 is 96200231031.

It can be written as a sum of positive squares in only one way, i.e., 11312875044 + 1700325225 = 106362^2 + 41235^2 .

It is not a de Polignac number, because 13013200269 - 23 = 13013200261 is a prime.

It is a super-2 number, since 2×130132002692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013200261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 722955562 + ... + 722955579.

Almost surely, 213013200269 is an apocalyptic number.

It is an amenable number.

13013200269 is a deficient number, since it is larger than the sum of its proper divisors (5783644577).

13013200269 is a wasteful number, since it uses less digits than its factorization.

13013200269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445911147 (or 1445911144 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 13013200269 in words is "thirteen billion, thirteen million, two hundred thousand, two hundred sixty-nine".

Divisors: 1 3 9 1445911141 4337733423 13013200269