Search a number
-
+
1014772154881 = 10073592
BaseRepresentation
bin11101100010001010010…
…00100100001000000001
310121000022012211122102111
432301011020210020001
5113111223132424011
62054102505015321
7133212666665662
oct16610510441001
93530265748374
101014772154881
113613a9476561
12144805184541
137490085b3a4
14371882bb369
151b5e3571121
hexec45224201

1014772154881 has 3 divisors (see below), whose sum is σ = 1014773162241. Its totient is φ = 1014771147522.

The previous prime is 1014772154867. The next prime is 1014772154897. The reversal of 1014772154881 is 1884512774101.

It is a happy number.

The square root of 1014772154881 is 1007359.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1014772154881 - 215 = 1014772122113 is a prime.

It is a super-2 number, since 2×10147721548812 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1014772154381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 503680 + ... + 1511038.

It is an arithmetic number, because the mean of its divisors is an integer number (338257720747).

Almost surely, 21014772154881 is an apocalyptic number.

1014772154881 is the 1007359-th square number.

1014772154881 is the 503680-th centered octagonal number.

It is an amenable number.

1014772154881 is a deficient number, since it is larger than the sum of its proper divisors (1007360).

1014772154881 is an frugal number, since it uses more digits than its factorization.

1014772154881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014718 (or 1007359 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 49.

Multiplying 1014772154881 by its sum of digits (49), we get a square (49723835589169 = 70515132).

The spelling of 1014772154881 in words is "one trillion, fourteen billion, seven hundred seventy-two million, one hundred fifty-four thousand, eight hundred eighty-one".

Divisors: 1 1007359 1014772154881