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130202321212 = 22191713188437
BaseRepresentation
bin111100101000010101…
…0011100000100111100
3110110002000122020011001
41321100222130010330
54113123243234322
6135451503340044
712256351320055
oct1712052340474
9413060566131
10130202321212
11502448a8047
12212985b1624
13c37ca92522
1464322d372c
1535c09ca827
hex1e50a9c13c

130202321212 has 12 divisors (see below), whose sum is σ = 239846381320. Its totient is φ = 61674783696.

The previous prime is 130202321167. The next prime is 130202321213. The reversal of 130202321212 is 212123202031.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 130202321212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130202321213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856594143 + ... + 856594294.

Almost surely, 2130202321212 is an apocalyptic number.

It is an amenable number.

130202321212 is a deficient number, since it is larger than the sum of its proper divisors (109644060108).

130202321212 is a wasteful number, since it uses less digits than its factorization.

130202321212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713188460 (or 1713188458 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 130202321212 its reverse (212123202031), we get a palindrome (342325523243).

The spelling of 130202321212 in words is "one hundred thirty billion, two hundred two million, three hundred twenty-one thousand, two hundred twelve".

Divisors: 1 2 4 19 38 76 1713188437 3426376874 6852753748 32550580303 65101160606 130202321212