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13121001313202 = 214944030205749
BaseRepresentation
bin1011111011101111100010…
…0111110101001110110010
31201110100121010211010021002
42332323320213311032302
53204433302314010302
643523412122402002
72522650433654306
oct276737047651662
951410533733232
1013121001313202
1141a96491a5292
12157ab30960302
137423c744c5b3
143350ba33bd06
1517b4924ccc02
hexbeef89f53b2

13121001313202 has 8 divisors (see below), whose sum is σ = 19813592587500. Its totient is φ = 6516470450704.

The previous prime is 13121001313159. The next prime is 13121001313223. The reversal of 13121001313202 is 20231310012131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9023409202201 + 4097592111001 = 3003899^2 + 2024251^2 .

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

It is a super-2 number, since 2×131210013132022 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22015102577 + ... + 22015103172.

Almost surely, 213121001313202 is an apocalyptic number.

13121001313202 is a deficient number, since it is larger than the sum of its proper divisors (6692591274298).

13121001313202 is a wasteful number, since it uses less digits than its factorization.

13121001313202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44030205900.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13121001313202 its reverse (20231310012131), we get a palindrome (33352311325333).

The spelling of 13121001313202 in words is "thirteen trillion, one hundred twenty-one billion, one million, three hundred thirteen thousand, two hundred two".

Divisors: 1 2 149 298 44030205749 88060411498 6560500656601 13121001313202