Search a number
-
+
2177427320045 = 51399311283391
BaseRepresentation
bin11111101011111000110…
…010000010110011101101
321201011022122122120202222
4133223320302002303231
5241133332343220140
64344144000125125
7313212451561355
oct37537062026355
97634278576688
102177427320045
1176a494a5848a
122b20000067a5
1312a43b1acb93
1477560b19b65
153b98e9005b5
hex1faf8c82ced

2177427320045 has 8 divisors (see below), whose sum is σ = 2614780492800. Its totient is φ = 1740696716880.

The previous prime is 2177427320021. The next prime is 2177427320087. The reversal of 2177427320045 is 5400237247712.

It is a happy number.

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

It is not a de Polignac number, because 2177427320045 - 210 = 2177427319021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2177427319978 and 2177427320005.

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, 155634701 + ... + 155648690.

It is an arithmetic number, because the mean of its divisors is an integer number (326847561600).

Almost surely, 22177427320045 is an apocalyptic number.

It is an amenable number.

2177427320045 is a deficient number, since it is larger than the sum of its proper divisors (437353172755).

2177427320045 is a wasteful number, since it uses less digits than its factorization.

2177427320045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311284795.

The product of its (nonzero) digits is 658560, while the sum is 44.

The spelling of 2177427320045 in words is "two trillion, one hundred seventy-seven billion, four hundred twenty-seven million, three hundred twenty thousand, forty-five".

Divisors: 1 5 1399 6995 311283391 1556416955 435485464009 2177427320045