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55201014021 = 319793402731
BaseRepresentation
bin110011011010001111…
…001010000100000101
312021111001110001120210
4303122033022010011
51401022424422041
641205313150033
73662634606636
oct633217120405
9167431401523
1055201014021
112145759594a
12a84685b319
13528944c30a
14295939988d
1516812a6016
hexcda3ca105

55201014021 has 8 divisors (see below), whose sum is σ = 73974963744. Its totient is φ = 36613870160.

The previous prime is 55201013963. The next prime is 55201014049. The reversal of 55201014021 is 12041010255.

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

It is a cyclic number.

It is not a de Polignac number, because 55201014021 - 27 = 55201013893 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55201014061) 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, 46700775 + ... + 46701956.

It is an arithmetic number, because the mean of its divisors is an integer number (9246870468).

Almost surely, 255201014021 is an apocalyptic number.

It is an amenable number.

55201014021 is a deficient number, since it is larger than the sum of its proper divisors (18773949723).

55201014021 is a wasteful number, since it uses less digits than its factorization.

55201014021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93402931.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 55201014021 its reverse (12041010255), we get a palindrome (67242024276).

The spelling of 55201014021 in words is "fifty-five billion, two hundred one million, fourteen thousand, twenty-one".

Divisors: 1 3 197 591 93402731 280208193 18400338007 55201014021