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42490808470 = 2511386280077
BaseRepresentation
bin100111100100101001…
…100100100010010110
311001200020221201101001
4213210221210202112
51144010121332340
631304153253514
73032650625035
oct474451444226
9131606851331
1042490808470
1117024a54340
12829a10429a
134012114126
1420b130871c
15118a4e929a
hex9e4a64896

42490808470 has 16 divisors (see below), whose sum is σ = 83436496848. Its totient is φ = 15451203040.

The previous prime is 42490808447. The next prime is 42490808489. The reversal of 42490808470 is 7480809424.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42490808470.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193139929 + ... + 193140148.

It is an arithmetic number, because the mean of its divisors is an integer number (5214781053).

Almost surely, 242490808470 is an apocalyptic number.

42490808470 is a deficient number, since it is larger than the sum of its proper divisors (40945688378).

42490808470 is a wasteful number, since it uses less digits than its factorization.

42490808470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386280095.

The product of its (nonzero) digits is 516096, while the sum is 46.

The spelling of 42490808470 in words is "forty-two billion, four hundred ninety million, eight hundred eight thousand, four hundred seventy".

Divisors: 1 2 5 10 11 22 55 110 386280077 772560154 1931400385 3862800770 4249080847 8498161694 21245404235 42490808470