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42673485031 = 65964754909
BaseRepresentation
bin100111101111100010…
…011011010011100111
311002010222200122111121
4213233202123103213
51144343403010111
631334240514411
73040326431542
oct475742332347
9132128618447
1042673485031
1117109084a01
12832b31ba07
134040c14378
1420cb69b859
15119b580871
hex9ef89b4e7

42673485031 has 4 divisors (see below), whose sum is σ = 42738240600. Its totient is φ = 42608729464.

The previous prime is 42673484993. The next prime is 42673485061. The reversal of 42673485031 is 13058437624.

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

It is a cyclic number.

It is not a de Polignac number, because 42673485031 - 29 = 42673484519 is a prime.

It is a super-2 number, since 2×426734850312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42673485061) 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, 32376796 + ... + 32378113.

It is an arithmetic number, because the mean of its divisors is an integer number (10684560150).

Almost surely, 242673485031 is an apocalyptic number.

42673485031 is a deficient number, since it is larger than the sum of its proper divisors (64755569).

42673485031 is an equidigital number, since it uses as much as digits as its factorization.

42673485031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64755568.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 42673485031 in words is "forty-two billion, six hundred seventy-three million, four hundred eighty-five thousand, thirty-one".

Divisors: 1 659 64754909 42673485031