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220350028801 = 731478575543
BaseRepresentation
bin1100110100110111100…
…0101001110000000001
3210001202120110020222211
43031031320221300001
512102234101410201
6245121041502121
721630323225020
oct3151570516001
9701676406884
10220350028801
11854a4935021
1236856941941
1317a18390136
14a944a808b7
155ae9cd2651
hex334de29c01

220350028801 has 4 divisors (see below), whose sum is σ = 251828604352. Its totient is φ = 188871453252.

The previous prime is 220350028793. The next prime is 220350028807. The reversal of 220350028801 is 108820053022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220350028801 - 23 = 220350028793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220350028807) 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, 15739287765 + ... + 15739287778.

It is an arithmetic number, because the mean of its divisors is an integer number (62957151088).

Almost surely, 2220350028801 is an apocalyptic number.

It is an amenable number.

220350028801 is a deficient number, since it is larger than the sum of its proper divisors (31478575551).

220350028801 is an equidigital number, since it uses as much as digits as its factorization.

220350028801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31478575550.

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 220350028801 in words is "two hundred twenty billion, three hundred fifty million, twenty-eight thousand, eight hundred one".

Divisors: 1 7 31478575543 220350028801