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54111145102 = 278814387153
BaseRepresentation
bin110010011001010001…
…101000110010001110
312011200002122222111021
4302121101220302032
51341304423120402
640505221344354
73623632100350
oct623121506216
9164602588437
1054111145102
1120a48370233
12a5a18680ba
135144707a71
1428947370d0
15161a771d37
hexc99468c8e

54111145102 has 16 divisors (see below), whose sum is σ = 92867275872. Its totient is φ = 23164162560.

The previous prime is 54111145087. The next prime is 54111145117. The reversal of 54111145102 is 20154111145.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54111145087) and next prime (54111145117).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2181243 + ... + 2205910.

It is an arithmetic number, because the mean of its divisors is an integer number (5804204742).

Almost surely, 254111145102 is an apocalyptic number.

54111145102 is a deficient number, since it is larger than the sum of its proper divisors (38756130770).

54111145102 is a wasteful number, since it uses less digits than its factorization.

54111145102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4388043.

The product of its (nonzero) digits is 800, while the sum is 25.

Adding to 54111145102 its reverse (20154111145), we get a palindrome (74265256247).

The spelling of 54111145102 in words is "fifty-four billion, one hundred eleven million, one hundred forty-five thousand, one hundred two".

Divisors: 1 2 7 14 881 1762 6167 12334 4387153 8774306 30710071 61420142 3865081793 7730163586 27055572551 54111145102