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42904129117 = 174753697283
BaseRepresentation
bin100111111101010010…
…010000111001011101
311002202001200120201011
4213331102100321131
51200331424112432
631413200215221
73046130036353
oct477522207135
9132661616634
1042904129117
1117217298253
12839460a511
13407993a865
1421101797d3
1511b193e847
hex9fd490e5d

42904129117 has 8 divisors (see below), whose sum is σ = 46394453376. Its totient is φ = 39521199552.

The previous prime is 42904129097. The next prime is 42904129189. The reversal of 42904129117 is 71192140924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42904129117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42904129117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42904129217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26847843 + ... + 26849440.

It is an arithmetic number, because the mean of its divisors is an integer number (5799306672).

Almost surely, 242904129117 is an apocalyptic number.

42904129117 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

42904129117 is a deficient number, since it is larger than the sum of its proper divisors (3490324259).

42904129117 is a wasteful number, since it uses less digits than its factorization.

42904129117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53697347.

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 42904129117 in words is "forty-two billion, nine hundred four million, one hundred twenty-nine thousand, one hundred seventeen".

Divisors: 1 17 47 799 53697283 912853811 2523772301 42904129117