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1904128126 = 27113409353
BaseRepresentation
bin111000101111110…
…1011000001111110
311220200221201201221
41301133223001332
512344424100001
6512540023554
765120551645
oct16137530176
94820851657
101904128126
1189791570a
12451831bba
1324464a844
14140c6035c
15b22761a1
hex717eb07e

1904128126 has 8 divisors (see below), whose sum is σ = 2896420464. Its totient is φ = 938654640.

The previous prime is 1904128103. The next prime is 1904128199. The reversal of 1904128126 is 6218214091.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1904128091 and 1904128100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6704535 + ... + 6704818.

It is an arithmetic number, because the mean of its divisors is an integer number (362052558).

Almost surely, 21904128126 is an apocalyptic number.

1904128126 is a deficient number, since it is larger than the sum of its proper divisors (992292338).

1904128126 is a wasteful number, since it uses less digits than its factorization.

1904128126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13409426.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 1904128126 is about 43636.3165952398. The cubic root of 1904128126 is about 1239.4586880266.

The spelling of 1904128126 in words is "one billion, nine hundred four million, one hundred twenty-eight thousand, one hundred twenty-six".

Divisors: 1 2 71 142 13409353 26818706 952064063 1904128126