Search a number
-
+
54156166654 = 2179471681973
BaseRepresentation
bin110010011011111101…
…011000010111111110
312011210020101022110011
4302123331120113332
51341402434313104
640513510333434
73625016551462
oct623375302776
9164706338404
1054156166654
1120a70820627
12a5b495a27a
135150b3c135
14289a6d64a2
15161e6b6904
hexc9bf585fe

54156166654 has 16 divisors (see below), whose sum is σ = 86103613008. Its totient is φ = 25458328192.

The previous prime is 54156166613. The next prime is 54156166657. The reversal of 54156166654 is 45666165145.

It is a junction number, because it is equal to n+sod(n) for n = 54156166598 and 54156166607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54156166657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808789 + ... + 873184.

It is an arithmetic number, because the mean of its divisors is an integer number (5381475813).

Almost surely, 254156166654 is an apocalyptic number.

54156166654 is a deficient number, since it is larger than the sum of its proper divisors (31947446354).

54156166654 is a wasteful number, since it uses less digits than its factorization.

54156166654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682939.

The product of its digits is 2592000, while the sum is 49.

The spelling of 54156166654 in words is "fifty-four billion, one hundred fifty-six million, one hundred sixty-six thousand, six hundred fifty-four".

Divisors: 1 2 17 34 947 1894 16099 32198 1681973 3363946 28593541 57187082 1592828431 3185656862 27078083327 54156166654