Search a number
-
+
52669001952 = 25367322537
BaseRepresentation
bin110001000011010100…
…010011000011100000
312000221121000112000000
4301003110103003200
51330331231030302
640110143300000
73543121062360
oct610324230340
9160847015000
1052669001952
1120378307796
12a25a8aa600
134c749c2118
142798db49a0
151583d5531c
hexc435130e0

52669001952 has 168 divisors, whose sum is σ = 177677153136. Its totient is φ = 15048239616.

The previous prime is 52669001947. The next prime is 52669001993. The reversal of 52669001952 is 25910096625.

It is a happy number.

52669001952 is a `hidden beast` number, since 526 + 69 + 0 + 0 + 19 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a junction number, because it is equal to n+sod(n) for n = 52669001898 and 52669001907.

It is a congruent number.

It is an unprimeable number.

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 27 ways as a sum of consecutive naturals, for example, 2028 + ... + 324564.

It is an arithmetic number, because the mean of its divisors is an integer number (1057602102).

Almost surely, 252669001952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52669001952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88838576568).

52669001952 is an abundant number, since it is smaller than the sum of its proper divisors (125008151184).

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

52669001952 is an equidigital number, since it uses as much as digits as its factorization.

52669001952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322572 (or 322549 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 52669001952 in words is "fifty-two billion, six hundred sixty-nine million, one thousand, nine hundred fifty-two".