Search a number
-
+
52155513506111 = 419721130859551
BaseRepresentation
bin10111101101111011001101…
…10110110000100100111111
320211200000111102002202111112
423312331212312300210333
523314003442424143421
6302531525004312235
713662053150053241
oct1366754666604477
9224600442082445
1052155513506111
1115689035756844
125a24107b4267b
132314322898b42
14cc44a9bba091
15606a407a845b
hex2f6f66db093f

52155513506111 has 8 divisors (see below), whose sum is σ = 53433095710848. Its totient is φ = 50878193040000.

The previous prime is 52155513506093. The next prime is 52155513506137. The reversal of 52155513506111 is 11160531555125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52155513506111 - 238 = 51880635599167 is a prime.

It is a super-2 number, since 2×521555135061112 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52155513566111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65031215 + ... + 65828336.

It is an arithmetic number, because the mean of its divisors is an integer number (6679136963856).

Almost surely, 252155513506111 is an apocalyptic number.

52155513506111 is a deficient number, since it is larger than the sum of its proper divisors (1277582204737).

52155513506111 is a wasteful number, since it uses less digits than its factorization.

52155513506111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130869313.

The product of its (nonzero) digits is 112500, while the sum is 41.

The spelling of 52155513506111 in words is "fifty-two trillion, one hundred fifty-five billion, five hundred thirteen million, five hundred six thousand, one hundred eleven".

Divisors: 1 41 9721 398561 130859551 5365241591 1272085695271 52155513506111