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13130220322 = 229241939349
BaseRepresentation
bin11000011101001111…
…10100001100100010
31020220001211022011101
430032213310030202
5203342314022242
610010522105014
7643244013502
oct141647641442
936801738141
1013130220322
11562873795a
12266534b16a
13131336684b
148c7b85a02
1551cac59b7
hex30e9f4322

13130220322 has 16 divisors (see below), whose sum is σ = 20459043000. Its totient is φ = 6312418560.

The previous prime is 13130220287. The next prime is 13130220329. The reversal of 13130220322 is 22302203131.

It can be written as a sum of positive squares in 4 ways, for example, as 10114123761 + 3016096561 = 100569^2 + 54919^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13130220322.

It is not an unprimeable number, because it can be changed into a prime (13130220329) 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, 455697 + ... + 483652.

Almost surely, 213130220322 is an apocalyptic number.

13130220322 is a deficient number, since it is larger than the sum of its proper divisors (7328822678).

13130220322 is a wasteful number, since it uses less digits than its factorization.

13130220322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939621.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13130220322 its reverse (22302203131), we get a palindrome (35432423453).

The spelling of 13130220322 in words is "thirteen billion, one hundred thirty million, two hundred twenty thousand, three hundred twenty-two".

Divisors: 1 2 29 58 241 482 6989 13978 939349 1878698 27241121 54482242 226383109 452766218 6565110161 13130220322