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16291983079 = 371034274989
BaseRepresentation
bin11110010110001001…
…11110111011100111
31120001102020111021201
433023010332323213
5231331221424304
611252345423331
71114505366641
oct171304767347
946042214251
1016291983079
116a00444029
1231a819ab47
1316c8407c98
14b07a59891
1565546e3a4
hex3cb13eee7

16291983079 has 8 divisors (see below), whose sum is σ = 16894760480. Its totient is φ = 15697755936.

The previous prime is 16291983077. The next prime is 16291983083. The reversal of 16291983079 is 97038919261.

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

It is a cyclic number.

It is not a de Polignac number, because 16291983079 - 21 = 16291983077 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 (16291983077) 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, 2133684 + ... + 2141305.

It is an arithmetic number, because the mean of its divisors is an integer number (2111845060).

Almost surely, 216291983079 is an apocalyptic number.

16291983079 is a deficient number, since it is larger than the sum of its proper divisors (602777401).

16291983079 is a wasteful number, since it uses less digits than its factorization.

16291983079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4275129.

The product of its (nonzero) digits is 1469664, while the sum is 55.

The spelling of 16291983079 in words is "sixteen billion, two hundred ninety-one million, nine hundred eighty-three thousand, seventy-nine".

Divisors: 1 37 103 3811 4274989 158174593 440323867 16291983079