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2055061105057 = 3283362591329
BaseRepresentation
bin11101111001111011001…
…011111110100110100001
321021110110202000210112101
4131321323023332212201
5232132231120330212
64212025415330401
7301321221114112
oct35717313764641
97243422023471
102055061105057
11722601466a94
1229234b980a01
1311ba39a088cc
147167342a209
15386cbd49157
hex1de7b2fe9a1

2055061105057 has 4 divisors (see below), whose sum is σ = 2055123729220. Its totient is φ = 2054998480896.

The previous prime is 2055061105049. The next prime is 2055061105079. The reversal of 2055061105057 is 7505011605502.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1298849988241 + 756211116816 = 1139671^2 + 869604^2 .

It is a cyclic number.

It is not a de Polignac number, because 2055061105057 - 23 = 2055061105049 is a prime.

It is a super-2 number, since 2×20550611050572 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2055061105087) 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, 31262832 + ... + 31328497.

It is an arithmetic number, because the mean of its divisors is an integer number (513780932305).

Almost surely, 22055061105057 is an apocalyptic number.

It is an amenable number.

2055061105057 is a deficient number, since it is larger than the sum of its proper divisors (62624163).

2055061105057 is an equidigital number, since it uses as much as digits as its factorization.

2055061105057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62624162.

The product of its (nonzero) digits is 52500, while the sum is 37.

The spelling of 2055061105057 in words is "two trillion, fifty-five billion, sixty-one million, one hundred five thousand, fifty-seven".

Divisors: 1 32833 62591329 2055061105057