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42597896213 = 137310933549
BaseRepresentation
bin100111101011000010…
…000101000000010101
311001221201110100010202
4213223002011000111
51144220030134323
631322540430245
73035421100145
oct475302050025
9131851410122
1042597896213
111707a446a04
128309b48385
13402b369a62
1420c1622925
151194aedd28
hex9eb085015

42597896213 has 4 divisors (see below), whose sum is σ = 42908829900. Its totient is φ = 42286962528.

The previous prime is 42597896191. The next prime is 42597896267. The reversal of 42597896213 is 31269879524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11902155409 + 30695740804 = 109097^2 + 175202^2 .

It is a cyclic number.

It is not a de Polignac number, because 42597896213 - 210 = 42597895189 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 (42597896513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155466638 + ... + 155466911.

It is an arithmetic number, because the mean of its divisors is an integer number (10727207475).

Almost surely, 242597896213 is an apocalyptic number.

It is an amenable number.

42597896213 is a deficient number, since it is larger than the sum of its proper divisors (310933687).

42597896213 is a wasteful number, since it uses less digits than its factorization.

42597896213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310933686.

The product of its digits is 6531840, while the sum is 56.

The spelling of 42597896213 in words is "forty-two billion, five hundred ninety-seven million, eight hundred ninety-six thousand, two hundred thirteen".

Divisors: 1 137 310933549 42597896213