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42618261829 = 11131571898279
BaseRepresentation
bin100111101100001111…
…110001000101000101
311002000010210000111211
4213230033301011011
51144240233334304
631324545131421
73036056151133
oct475417610505
9132003700454
1042618261829
111708a9969a0
128314929b71
13403264a710
1420c4204753
1511967c3204
hex9ec3f1145

42618261829 has 16 divisors (see below), whose sum is σ = 50387944320. Its totient is φ = 35535764160.

The previous prime is 42618261823. The next prime is 42618261893. The reversal of 42618261829 is 92816281624.

42618261829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42618261829 - 27 = 42618261701 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 (42618261823) 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, 926689 + ... + 971590.

It is an arithmetic number, because the mean of its divisors is an integer number (3149246520).

Almost surely, 242618261829 is an apocalyptic number.

It is an amenable number.

42618261829 is a deficient number, since it is larger than the sum of its proper divisors (7769682491).

42618261829 is a wasteful number, since it uses less digits than its factorization.

42618261829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898460.

The product of its digits is 663552, while the sum is 49.

The spelling of 42618261829 in words is "forty-two billion, six hundred eighteen million, two hundred sixty-one thousand, eight hundred twenty-nine".

Divisors: 1 11 13 143 157 1727 2041 22451 1898279 20881069 24677627 271453897 298029803 3278327833 3874387439 42618261829