Search a number
-
+
51204153253 = 1129859718671
BaseRepresentation
bin101111101100000000…
…010101111110100101
311220011111122111100111
4233230000111332211
51314331230401003
635304534413021
73461613056431
oct575400257645
9156144574314
1051204153253
111a796456230
129b10201171
134aa0389746
14269a6219c1
1514ea450e6d
hexbec015fa5

51204153253 has 16 divisors (see below), whose sum is σ = 57795068160. Its totient is φ = 44936449600.

The previous prime is 51204153233. The next prime is 51204153263. The reversal of 51204153253 is 35235140215.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-51204153253 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51204153233) 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 15 ways as a sum of consecutive naturals, for example, 2733108 + ... + 2751778.

It is an arithmetic number, because the mean of its divisors is an integer number (3612191760).

Almost surely, 251204153253 is an apocalyptic number.

It is an amenable number.

51204153253 is a deficient number, since it is larger than the sum of its proper divisors (6590914907).

51204153253 is a wasteful number, since it uses less digits than its factorization.

51204153253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27308.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 51204153253 its reverse (35235140215), we get a palindrome (86439293468).

The spelling of 51204153253 in words is "fifty-one billion, two hundred four million, one hundred fifty-three thousand, two hundred fifty-three".

Divisors: 1 11 29 319 8597 18671 94567 205381 249313 541459 2742443 5956049 160514587 1765660457 4654923023 51204153253