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13223321202 = 2372133459791
BaseRepresentation
bin11000101000010101…
…11101111001110010
31021010120000022120010
430110022331321302
5204040132234302
610024045355350
7645454242600
oct142412757162
937116008503
1013223321202
115676246a33
122690568b56
131329733020
148d629c870
15525d6616c
hex3142bde72

13223321202 has 48 divisors (see below), whose sum is σ = 33130968192. Its totient is φ = 3487468320.

The previous prime is 13223321179. The next prime is 13223321239. The reversal of 13223321202 is 20212332231.

It is a happy number.

It is a super-2 number, since 2×132233212022 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1726074 + ... + 1733717.

It is an arithmetic number, because the mean of its divisors is an integer number (690228504).

Almost surely, 213223321202 is an apocalyptic number.

13223321202 is an abundant number, since it is smaller than the sum of its proper divisors (19907646990).

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

13223321202 is a wasteful number, since it uses less digits than its factorization.

13223321202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3459823 (or 3459816 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13223321202 its reverse (20212332231), we get a palindrome (33435653433).

The spelling of 13223321202 in words is "thirteen billion, two hundred twenty-three million, three hundred twenty-one thousand, two hundred two".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 49 78 91 98 147 182 273 294 546 637 1274 1911 3822 3459791 6919582 10379373 20758746 24218537 44977283 48437074 72655611 89954566 134931849 145311222 169529759 269863698 314840981 339059518 508589277 629681962 944522943 1017178554 1889045886 2203886867 4407773734 6611660601 13223321202