Search a number
-
+
1055152343021 = 72317773688093
BaseRepresentation
bin11110101101010111111…
…10110000011111101101
310201212112101021202000012
433112223332300133231
5114241422444434041
62124421424343005
7136142441635010
oct17265376603755
93655471252005
101055152343021
1137753aa98577
121505b4474a65
137866760663a
14390d9173377
151c6a86063eb
hexf5abfb07ed

1055152343021 has 16 divisors (see below), whose sum is σ = 1259026777344. Its totient is φ = 864606783744.

The previous prime is 1055152342987. The next prime is 1055152343023. The reversal of 1055152343021 is 1203432515501.

It is a cyclic number.

It is not a de Polignac number, because 1055152343021 - 26 = 1055152342957 is a prime.

It is a super-2 number, since 2×10551523430212 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055152343023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1557950 + ... + 2130143.

It is an arithmetic number, because the mean of its divisors is an integer number (78689173584).

Almost surely, 21055152343021 is an apocalyptic number.

It is an amenable number.

1055152343021 is a deficient number, since it is larger than the sum of its proper divisors (203874434323).

1055152343021 is a wasteful number, since it uses less digits than its factorization.

1055152343021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3689900.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 1055152343021 its reverse (1203432515501), we get a palindrome (2258584858522).

The spelling of 1055152343021 in words is "one trillion, fifty-five billion, one hundred fifty-two million, three hundred forty-three thousand, twenty-one".

Divisors: 1 7 23 161 1777 12439 40871 286097 3688093 25816651 84826139 593782973 6553741261 45876188827 150736049003 1055152343021