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42603517416769 = 65271372
BaseRepresentation
bin10011010111111011001111…
…00001011001010101000001
312120211212010101021012110221
421223331213201121111001
521041004000424314034
6230335441414023041
711655000606666151
oct1153754741312501
9176755111235427
1042603517416769
1112636060a01761
124940a1b947a81
131aa065741331a
14a74042422761
154dd336764bb4
hex26bf67859541

42603517416769 has 3 divisors (see below), whose sum is σ = 42603523943907. Its totient is φ = 42603510889632.

The previous prime is 42603517416743. The next prime is 42603517416773. The reversal of 42603517416769 is 96761471530624.

The square root of 42603517416769 is 6527137.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 13336629244225 + 29266888172544 = 3651935^2 + 5409888^2 .

It is not a de Polignac number, because 42603517416769 - 25 = 42603517416737 is a prime.

It is a super-2 number, since 2×426035174167692 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42603517411769) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3263569 + ... + 9790705.

It is an arithmetic number, because the mean of its divisors is an integer number (14201174647969).

Almost surely, 242603517416769 is an apocalyptic number.

42603517416769 is the 6527137-th square number.

42603517416769 is the 3263569-th centered octagonal number.

It is an amenable number.

42603517416769 is a deficient number, since it is larger than the sum of its proper divisors (6527138).

42603517416769 is an frugal number, since it uses more digits than its factorization.

42603517416769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13054274 (or 6527137 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 61.

The spelling of 42603517416769 in words is "forty-two trillion, six hundred three billion, five hundred seventeen million, four hundred sixteen thousand, seven hundred sixty-nine".

Divisors: 1 6527137 42603517416769