Search a number
-
+
74488894688 = 2513179059843
BaseRepresentation
bin100010101011111100…
…0100101010011100000
321010021020222220202102
41011113320211103200
52210023124112223
654115243305532
75244622105115
oct1052770452340
9233236886672
1074488894688
112965504809a
121252a21b2a8
137041433460
143868c7090c
151e0e758928
hex1157e254e0

74488894688 has 24 divisors (see below), whose sum is σ = 157930782408. Its totient is φ = 34379489664.

The previous prime is 74488894687. The next prime is 74488894693. The reversal of 74488894688 is 88649888447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74488894687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89529506 + ... + 89530337.

It is an arithmetic number, because the mean of its divisors is an integer number (6580449267).

Almost surely, 274488894688 is an apocalyptic number.

It is an amenable number.

74488894688 is an abundant number, since it is smaller than the sum of its proper divisors (83441887720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74488894688 is a wasteful number, since it uses less digits than its factorization.

74488894688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179059866 (or 179059858 counting only the distinct ones).

The product of its digits is 792723456, while the sum is 74.

The spelling of 74488894688 in words is "seventy-four billion, four hundred eighty-eight million, eight hundred ninety-four thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 179059843 358119686 716239372 1432478744 2327777959 2864957488 4655555918 5729914976 9311111836 18622223672 37244447344 74488894688