Search a number
-
+
51055110555 = 3510333045379
BaseRepresentation
bin101111100011000111…
…110010100110011011
311212210010012100012120
4233203013302212123
51314030102014210
635242052112323
73455123164551
oct574307624633
9155703170176
1051055110555
111a71a308249
129a8a3056a3
134a785344b7
142684905bd1
1514dc310270
hexbe31f299b

51055110555 has 16 divisors (see below), whose sum is σ = 82481268480. Its totient is φ = 26965028448.

The previous prime is 51055110433. The next prime is 51055110571. The reversal of 51055110555 is 55501155015.

It is not a de Polignac number, because 51055110555 - 27 = 51055110427 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16521145 + ... + 16524234.

It is an arithmetic number, because the mean of its divisors is an integer number (5155079280).

Almost surely, 251055110555 is an apocalyptic number.

51055110555 is a deficient number, since it is larger than the sum of its proper divisors (31426157925).

51055110555 is a wasteful number, since it uses less digits than its factorization.

51055110555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33045490.

The product of its (nonzero) digits is 15625, while the sum is 33.

The spelling of 51055110555 in words is "fifty-one billion, fifty-five million, one hundred ten thousand, five hundred fifty-five".

Divisors: 1 3 5 15 103 309 515 1545 33045379 99136137 165226895 495680685 3403674037 10211022111 17018370185 51055110555