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52000666072 = 2315143046909
BaseRepresentation
bin110000011011011110…
…110011000111011000
311222020000102112112021
4300123132303013120
51322444132303242
635515550424224
73520424240305
oct603336630730
9158200375467
1052000666072
1120065025093
12a0b2b02074
134b993bb2c4
1427343200ac
151545339b67
hexc1b7b31d8

52000666072 has 16 divisors (see below), whose sum is σ = 98146954800. Its totient is φ = 25828144800.

The previous prime is 52000666063. The next prime is 52000666073. The reversal of 52000666072 is 27066600025.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52000666073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21522247 + ... + 21524662.

It is an arithmetic number, because the mean of its divisors is an integer number (6134184675).

Almost surely, 252000666072 is an apocalyptic number.

It is an amenable number.

52000666072 is a deficient number, since it is larger than the sum of its proper divisors (46146288728).

52000666072 is a wasteful number, since it uses less digits than its factorization.

52000666072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43047066 (or 43047062 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 52000666072 in words is "fifty-two billion, six hundred sixty-six thousand, seventy-two".

Divisors: 1 2 4 8 151 302 604 1208 43046909 86093818 172187636 344375272 6500083259 13000166518 26000333036 52000666072