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220021002200987 = 1334948494820851
BaseRepresentation
bin110010000001101110100001…
…101011011110011110011011
31001212000210122221102220202222
4302001232201223132132123
5212314311003030412422
62055540130353414255
764225664354162201
oct6201564153363633
91055023587386688
10220021002200987
1164118423896889
122081566456a38b
13959cb78778480
143c491052c9071
151a683b7b59842
hexc81ba1ade79b

220021002200987 has 8 divisors (see below), whose sum is σ = 237624622174800. Its totient is φ = 202514371869600.

The previous prime is 220021002200977. The next prime is 220021002201061. The reversal of 220021002200987 is 789002200120022.

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 220021002200987 - 210 = 220021002199963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220021002200927) 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, 24247405889 + ... + 24247414962.

It is an arithmetic number, because the mean of its divisors is an integer number (29703077771850).

Almost surely, 2220021002200987 is an apocalyptic number.

220021002200987 is a deficient number, since it is larger than the sum of its proper divisors (17603619973813).

220021002200987 is a wasteful number, since it uses less digits than its factorization.

220021002200987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48494821213.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 220021002200987 in words is "two hundred twenty trillion, twenty-one billion, two million, two hundred thousand, nine hundred eighty-seven".

Divisors: 1 13 349 4537 48494820851 630432671063 16924692476999 220021002200987