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132216246451 = 874811511371
BaseRepresentation
bin111101100100010110…
…0111101000010110011
3110122021101012020012201
41323020230331002303
54131234324341301
6140423405004031
712360304360162
oct1731054750263
9418241166181
10132216246451
1151088695973
122175ab53617
13c6110a3c73
1465839753d9
15368c6de201
hex1ec8b3d0b3

132216246451 has 4 divisors (see below), whose sum is σ = 132217845304. Its totient is φ = 132214647600.

The previous prime is 132216246397. The next prime is 132216246457. The reversal of 132216246451 is 154642612231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-132216246451 is a prime.

It is a super-2 number, since 2×1322162464512 (a number of 23 digits) contains 22 as substring.

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 132216246451.

It is not an unprimeable number, because it can be changed into a prime (132216246457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668205 + ... + 843166.

It is an arithmetic number, because the mean of its divisors is an integer number (33054461326).

Almost surely, 2132216246451 is an apocalyptic number.

132216246451 is a deficient number, since it is larger than the sum of its proper divisors (1598853).

132216246451 is an equidigital number, since it uses as much as digits as its factorization.

132216246451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598852.

The product of its digits is 69120, while the sum is 37.

Adding to 132216246451 its reverse (154642612231), we get a palindrome (286858858682).

The spelling of 132216246451 in words is "one hundred thirty-two billion, two hundred sixteen million, two hundred forty-six thousand, four hundred fifty-one".

Divisors: 1 87481 1511371 132216246451