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52572572152 = 236798083157
BaseRepresentation
bin110000111101100100…
…011100100111111000
312000200212120101011221
4300331210130213320
51330132034302102
640052420401424
73540540330052
oct607544344770
9160625511157
1052572572152
1120328934641
12a232546274
134c5aa2b679
14278a2728d2
15157a658637
hexc3d91c9f8

52572572152 has 16 divisors (see below), whose sum is σ = 100044821160. Its totient is φ = 25893953184.

The previous prime is 52572572149. The next prime is 52572572153. The reversal of 52572572152 is 25127527525.

It is a super-2 number, since 2×525725721522 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52572572099 and 52572572108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52572572153) 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, 49041043 + ... + 49042114.

Almost surely, 252572572152 is an apocalyptic number.

It is an amenable number.

52572572152 is a deficient number, since it is larger than the sum of its proper divisors (47472249008).

52572572152 is a wasteful number, since it uses less digits than its factorization.

52572572152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98083230 (or 98083226 counting only the distinct ones).

The product of its digits is 490000, while the sum is 43.

The spelling of 52572572152 in words is "fifty-two billion, five hundred seventy-two million, five hundred seventy-two thousand, one hundred fifty-two".

Divisors: 1 2 4 8 67 134 268 536 98083157 196166314 392332628 784665256 6571571519 13143143038 26286286076 52572572152