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542512015525445 = 57311618930885853
BaseRepresentation
bin111101101011010010110101…
…1111110001100011001000101
32122010212122100010220011012112
41323112211223332030121011
51032102004101433303240
65201454325044430405
7222162125325624440
oct17326455376143105
92563778303804175
10542512015525445
11147952065561239
1250a1a5683a8405
131a393881a7c944
1497d7a16308657
1542abeb1016665
hex1ed696bf8c645

542512015525445 has 32 divisors (see below), whose sum is σ = 768064475535360. Its totient is φ = 359985723966720.

The previous prime is 542512015525433. The next prime is 542512015525451. The reversal of 542512015525445 is 544525510215245.

It is not a de Polignac number, because 542512015525445 - 212 = 542512015521349 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 542512015525393 and 542512015525402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2122139 + ... + 33007991.

It is an arithmetic number, because the mean of its divisors is an integer number (24002014860480).

Almost surely, 2542512015525445 is an apocalyptic number.

It is an amenable number.

542512015525445 is a deficient number, since it is larger than the sum of its proper divisors (225552460009915).

542512015525445 is a wasteful number, since it uses less digits than its factorization.

542512015525445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30902085.

The product of its (nonzero) digits is 8000000, while the sum is 50.

The spelling of 542512015525445 in words is "five hundred forty-two trillion, five hundred twelve billion, fifteen million, five hundred twenty-five thousand, four hundred forty-five".

Divisors: 1 5 7 31 35 155 217 1085 16189 80945 113323 501859 566615 2509295 3513013 17565065 30885853 154429265 216200971 957461443 1081004855 4787307215 6702230101 33511150505 500011074217 2500055371085 3500077519519 15500343300727 17500387597595 77501716503635 108502403105089 542512015525445