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54270722745 = 3253833148867
BaseRepresentation
bin110010100010110010…
…011000001010111001
312012002012221100212100
4302202302120022321
51342121301111440
640533121534013
73630610350321
oct624262301271
9165065840770
1054270722745
112101a454288
12a6271a4309
13516b7ab1c5
1428ab9d6281
151629794230
hexca2c982b9

54270722745 has 24 divisors (see below), whose sum is σ = 94314894336. Its totient is φ = 28868803488.

The previous prime is 54270722741. The next prime is 54270722773. The reversal of 54270722745 is 54722707245.

It is not a de Polignac number, because 54270722745 - 22 = 54270722741 is a prime.

It is a super-2 number, since 2×542707227452 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54270722745.

It is not an unprimeable number, because it can be changed into a prime (54270722741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1557199 + ... + 1591668.

It is an arithmetic number, because the mean of its divisors is an integer number (3929787264).

Almost surely, 254270722745 is an apocalyptic number.

It is an amenable number.

54270722745 is a deficient number, since it is larger than the sum of its proper divisors (40044171591).

54270722745 is a wasteful number, since it uses less digits than its factorization.

54270722745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3149261 (or 3149258 counting only the distinct ones).

The product of its (nonzero) digits is 1097600, while the sum is 45.

The spelling of 54270722745 in words is "fifty-four billion, two hundred seventy million, seven hundred twenty-two thousand, seven hundred forty-five".

Divisors: 1 3 5 9 15 45 383 1149 1915 3447 5745 17235 3148867 9446601 15744335 28339803 47233005 141699015 1206016061 3618048183 6030080305 10854144549 18090240915 54270722745