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1552002002105 = 5310400400421
BaseRepresentation
bin10110100101011010100…
…001110010110010111001
312111100222200120112221112
4112211122201302302321
5200412000003031410
63144551353050105
7220062025232102
oct26453241626271
95440880515845
101552002002105
11549222740235
122109563b6935
13b3478b81a59
145518dc173a9
152a58789a105
hex1695a872cb9

1552002002105 has 4 divisors (see below), whose sum is σ = 1862402402532. Its totient is φ = 1241601601680.

The previous prime is 1552002002027. The next prime is 1552002002113. The reversal of 1552002002105 is 5012002002551.

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 393169129024 + 1158832873081 = 627032^2 + 1076491^2 .

It is a de Polignac number, because none of the positive numbers 2k-1552002002105 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155200200206 + ... + 155200200215.

It is an arithmetic number, because the mean of its divisors is an integer number (465600600633).

Almost surely, 21552002002105 is an apocalyptic number.

It is an amenable number.

1552002002105 is a deficient number, since it is larger than the sum of its proper divisors (310400400427).

1552002002105 is an equidigital number, since it uses as much as digits as its factorization.

1552002002105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310400400426.

The product of its (nonzero) digits is 1000, while the sum is 23.

Adding to 1552002002105 its reverse (5012002002551), we get a palindrome (6564004004656).

The spelling of 1552002002105 in words is "one trillion, five hundred fifty-two billion, two million, two thousand, one hundred five".

Divisors: 1 5 310400400421 1552002002105