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13012013202 = 239722357411
BaseRepresentation
bin11000001111001001…
…11001000010010010
31020120211101202110220
430013210321002102
5203122033410302
65551100333510
7640310200356
oct140744710222
936524352426
1013012013202
115577a40121
122631844296
1312c4a199c6
148b61b5466
155125264bc
hex307939092

13012013202 has 16 divisors (see below), whose sum is σ = 26292316512. Its totient is φ = 4292622720.

The previous prime is 13012013171. The next prime is 13012013207. The reversal of 13012013202 is 20231021031.

It is not an unprimeable number, because it can be changed into a prime (13012013207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11178124 + ... + 11179287.

It is an arithmetic number, because the mean of its divisors is an integer number (1643269782).

Almost surely, 213012013202 is an apocalyptic number.

13012013202 is an abundant number, since it is smaller than the sum of its proper divisors (13280303310).

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

13012013202 is a wasteful number, since it uses less digits than its factorization.

13012013202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22357513.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 13012013202 its reverse (20231021031), we get a palindrome (33243034233).

The spelling of 13012013202 in words is "thirteen billion, twelve million, thirteen thousand, two hundred two".

Divisors: 1 2 3 6 97 194 291 582 22357411 44714822 67072233 134144466 2168668867 4337337734 6506006601 13012013202