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42500023012 = 2210997477117
BaseRepresentation
bin100111100101001100…
…101110001011100100
311001200220021212100101
4213211030232023210
51144020001214022
631305122553444
73033122143426
oct474514561344
9131626255311
1042500023012
111702a178367
1282a1208884
134013cbc315
1420b2626816
15118b219627
hex9e532e2e4

42500023012 has 12 divisors (see below), whose sum is σ = 75057380860. Its totient is φ = 21055057056.

The previous prime is 42500023003. The next prime is 42500023019. The reversal of 42500023012 is 21032000524.

42500023012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 26019625636 + 16480397376 = 161306^2 + 128376^2 .

It is not an unprimeable number, because it can be changed into a prime (42500023019) 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, 48738123 + ... + 48738994.

Almost surely, 242500023012 is an apocalyptic number.

It is an amenable number.

42500023012 is a deficient number, since it is larger than the sum of its proper divisors (32557357848).

42500023012 is a wasteful number, since it uses less digits than its factorization.

42500023012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97477230 (or 97477228 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 42500023012 its reverse (21032000524), we get a palindrome (63532023536).

The spelling of 42500023012 in words is "forty-two billion, five hundred million, twenty-three thousand, twelve".

Divisors: 1 2 4 109 218 436 97477117 194954234 389908468 10625005753 21250011506 42500023012