Search a number
-
+
54251034152261 = 231136323471447
BaseRepresentation
bin11000101010111010011011…
…00111101000110101000101
321010002100101211220012101212
430111131031213220311011
524102322104220333021
6311214325300301205
714266336125466202
oct1425351547506505
9233070354805355
1054251034152261
11163168095038a1
1261022696a1805
132436b099146bb
14d57a9a836ca9
156412d960e85b
hex31574d9e8d45

54251034152261 has 4 divisors (see below), whose sum is σ = 54251059935072. Its totient is φ = 54251008369452.

The previous prime is 54251034152239. The next prime is 54251034152279. The reversal of 54251034152261 is 16225143015245.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54251034152261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54251034152761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9424361 + ... + 14047086.

It is an arithmetic number, because the mean of its divisors is an integer number (13562764983768).

Almost surely, 254251034152261 is an apocalyptic number.

It is an amenable number.

54251034152261 is a deficient number, since it is larger than the sum of its proper divisors (25782811).

54251034152261 is a wasteful number, since it uses less digits than its factorization.

54251034152261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25782810.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 54251034152261 in words is "fifty-four trillion, two hundred fifty-one billion, thirty-four million, one hundred fifty-two thousand, two hundred sixty-one".

Divisors: 1 2311363 23471447 54251034152261