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13122202301 = 131759376481
BaseRepresentation
bin11000011100010010…
…01110101010111101
31020212111201221111122
430032021032222331
5203333240433201
610010034200325
7643115610365
oct141611165275
936774657448
1013122202301
11562416089a
1226627230a5
1313117ba160
148c6a999a5
1551c03ee1b
hex30e24eabd

13122202301 has 8 divisors (see below), whose sum is σ = 14962873464. Its totient is φ = 11400284160.

The previous prime is 13122202217. The next prime is 13122202337. The reversal of 13122202301 is 10320222131.

It can be written as a sum of positive squares in 4 ways, for example, as 51768025 + 13070434276 = 7195^2 + 114326^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13122202301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13122202301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13122202361) 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, 29688020 + ... + 29688461.

It is an arithmetic number, because the mean of its divisors is an integer number (1870359183).

Almost surely, 213122202301 is an apocalyptic number.

It is an amenable number.

13122202301 is a deficient number, since it is larger than the sum of its proper divisors (1840671163).

13122202301 is a wasteful number, since it uses less digits than its factorization.

13122202301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59376511.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13122202301 its reverse (10320222131), we get a palindrome (23442424432).

The spelling of 13122202301 in words is "thirteen billion, one hundred twenty-two million, two hundred two thousand, three hundred one".

Divisors: 1 13 17 221 59376481 771894253 1009400177 13122202301