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2055312055 = 51313137881
BaseRepresentation
bin111101010000001…
…1001001010110111
312022020102200002201
41322200121022313
513202124441210
6535540245331
7101634602266
oct17240311267
95266380081
102055312055
11965196405
124943a0847
13269a725a4
14156d765dd
15c068b53a
hex7a8192b7

2055312055 has 8 divisors (see below), whose sum is σ = 2485202544. Its totient is φ = 1631697600.

The previous prime is 2055312043. The next prime is 2055312071. The reversal of 2055312055 is 5502135502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-2055312055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1568286 + ... + 1569595.

It is an arithmetic number, because the mean of its divisors is an integer number (310650318).

Almost surely, 22055312055 is an apocalyptic number.

2055312055 is a deficient number, since it is larger than the sum of its proper divisors (429890489).

2055312055 is a wasteful number, since it uses less digits than its factorization.

2055312055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3138017.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 2055312055 is about 45335.5495720522. The cubic root of 2055312055 is about 1271.4303959100.

Adding to 2055312055 its reverse (5502135502), we get a palindrome (7557447557).

The spelling of 2055312055 in words is "two billion, fifty-five million, three hundred twelve thousand, fifty-five".

Divisors: 1 5 131 655 3137881 15689405 411062411 2055312055