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42210630365 = 571713117721
BaseRepresentation
bin100111010011111100…
…110001101011011101
311000221201202012021012
4213103330301223131
51142421410132430
631220304145005
73023006303201
oct472374615335
9130851665235
1042210630365
11169a0889392
128220308165
133c99066677
142086014b01
151170b03695
hex9d3f31add

42210630365 has 8 divisors (see below), whose sum is σ = 50653893048. Its totient is φ = 33767746560.

The previous prime is 42210630361. The next prime is 42210630373. The reversal of 42210630365 is 56303601224.

It can be written as a sum of positive squares in 4 ways, for example, as 1415113924 + 40795516441 = 37618^2 + 201979^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42210630365 - 22 = 42210630361 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42210630361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299705 + ... + 417425.

It is an arithmetic number, because the mean of its divisors is an integer number (6331736631).

Almost surely, 242210630365 is an apocalyptic number.

It is an amenable number.

42210630365 is a deficient number, since it is larger than the sum of its proper divisors (8443262683).

42210630365 is a wasteful number, since it uses less digits than its factorization.

42210630365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189439.

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 42210630365 in words is "forty-two billion, two hundred ten million, six hundred thirty thousand, three hundred sixty-five".

Divisors: 1 5 71713 117721 358565 588605 8442126073 42210630365