Search a number
-
+
1315154542155 = 3587676969477
BaseRepresentation
bin10011001000110101010…
…100011011111001001011
311122201122101021221220020
4103020311110123321023
5133021414030322110
62444101302031523
7164005520106126
oct23106524337113
94581571257806
101315154542155
114678324a8aa3
12192a767185a3
139703197294c
144792211b3bd
15243245b4d70
hex1323551be4b

1315154542155 has 8 divisors (see below), whose sum is σ = 2104247267472. Its totient is φ = 701415755808.

The previous prime is 1315154542129. The next prime is 1315154542189. The reversal of 1315154542155 is 5512454515131.

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

It is not a de Polignac number, because 1315154542155 - 27 = 1315154542027 is a prime.

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, 43838484724 + ... + 43838484753.

It is an arithmetic number, because the mean of its divisors is an integer number (263030908434).

Almost surely, 21315154542155 is an apocalyptic number.

1315154542155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1315154542155 is a deficient number, since it is larger than the sum of its proper divisors (789092725317).

1315154542155 is an equidigital number, since it uses as much as digits as its factorization.

1315154542155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87676969485.

The product of its digits is 300000, while the sum is 42.

The spelling of 1315154542155 in words is "one trillion, three hundred fifteen billion, one hundred fifty-four million, five hundred forty-two thousand, one hundred fifty-five".

Divisors: 1 3 5 15 87676969477 263030908431 438384847385 1315154542155