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42502121233 = 1113517957389
BaseRepresentation
bin100111100101010100…
…101110011100010001
311001201001020110120021
4213211110232130101
51144021020334413
631305235543441
73033146032615
oct474524563421
9131631213507
1042502121233
1117030380830
1282a1a5ab81
134014575380
1420b2a11345
15118b4d118d
hex9e552e711

42502121233 has 16 divisors (see below), whose sum is σ = 49943073600. Its totient is φ = 35658607680.

The previous prime is 42502121227. The next prime is 42502121237. The reversal of 42502121233 is 33212120524.

42502121233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42502121233 - 25 = 42502121201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42502121198 and 42502121207.

It is not an unprimeable number, because it can be changed into a prime (42502121237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 711903 + ... + 769291.

It is an arithmetic number, because the mean of its divisors is an integer number (3121442100).

Almost surely, 242502121233 is an apocalyptic number.

It is an amenable number.

42502121233 is a deficient number, since it is larger than the sum of its proper divisors (7440952367).

42502121233 is a wasteful number, since it uses less digits than its factorization.

42502121233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62592.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 42502121233 its reverse (33212120524), we get a palindrome (75714241757).

The spelling of 42502121233 in words is "forty-two billion, five hundred two million, one hundred twenty-one thousand, two hundred thirty-three".

Divisors: 1 11 13 143 5179 56969 57389 67327 631279 740597 746057 8206627 297217631 3269393941 3863829203 42502121233