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5387753778 = 231181632633
BaseRepresentation
bin1010000010010001…
…01001100100110010
3111220111000020202020
411001020221210302
542013231110103
62250342132310
7250341102651
oct50110514462
914814006666
105387753778
112315279180
121064421096
1367b2a30b4
14391799198
15217eeb753
hex141229932

5387753778 has 16 divisors (see below), whose sum is σ = 11755099296. Its totient is φ = 1632652640.

The previous prime is 5387753731. The next prime is 5387753783. The reversal of 5387753778 is 8773577835.

It is a happy 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, 40816251 + ... + 40816382.

It is an arithmetic number, because the mean of its divisors is an integer number (734693706).

Almost surely, 25387753778 is an apocalyptic number.

5387753778 is an abundant number, since it is smaller than the sum of its proper divisors (6367345518).

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

5387753778 is a wasteful number, since it uses less digits than its factorization.

5387753778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81632649.

The product of its digits is 34574400, while the sum is 60.

The square root of 5387753778 is about 73401.3200017547. The cubic root of 5387753778 is about 1753.0834105824.

The spelling of 5387753778 in words is "five billion, three hundred eighty-seven million, seven hundred fifty-three thousand, seven hundred seventy-eight".

Divisors: 1 2 3 6 11 22 33 66 81632633 163265266 244897899 489795798 897958963 1795917926 2693876889 5387753778