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54540000245 = 561971924509
BaseRepresentation
bin110010110010110101…
…100101101111110101
312012202222122002011002
4302302311211233311
51343144220001440
641015541253045
73640360232033
oct626265455765
9165688562132
1054540000245
1121148454475
12a6a1404185
1351b25101c3
1428d568d553
151643235115
hexcb2d65bf5

54540000245 has 16 divisors (see below), whose sum is σ = 65647584000. Its totient is φ = 43499151168.

The previous prime is 54540000233. The next prime is 54540000259. The reversal of 54540000245 is 54200004545.

It is a cyclic number.

It is not a de Polignac number, because 54540000245 - 26 = 54540000181 is a prime.

It is a super-2 number, since 2×545400002452 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2213051 + ... + 2237559.

It is an arithmetic number, because the mean of its divisors is an integer number (4102974000).

Almost surely, 254540000245 is an apocalyptic number.

It is an amenable number.

54540000245 is a deficient number, since it is larger than the sum of its proper divisors (11107583755).

54540000245 is a wasteful number, since it uses less digits than its factorization.

54540000245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25852.

The product of its (nonzero) digits is 16000, while the sum is 29.

The spelling of 54540000245 in words is "fifty-four billion, five hundred forty million, two hundred forty-five", and thus it is an aban number.

Divisors: 1 5 619 719 3095 3595 24509 122545 445061 2225305 15171071 17621971 75855355 88109855 10908000049 54540000245