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19155035005 = 5173113215503
BaseRepresentation
bin10001110101101110…
…101010001101111101
31211102221120121011221
4101311232222031331
5303212142110010
612444422513341
71245452053051
oct216556521575
954387517157
1019155035005
11813a577347
123866b95851
131a63610352
14cd9db3c61
157719b0dda
hex475baa37d

19155035005 has 32 divisors (see below), whose sum is σ = 25146851328. Its totient is φ = 13944268800.

The previous prime is 19155034991. The next prime is 19155035017. The reversal of 19155035005 is 50053055191.

It is a happy number.

It is not a de Polignac number, because 19155035005 - 223 = 19146646397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3478084 + ... + 3483586.

It is an arithmetic number, because the mean of its divisors is an integer number (785839104).

Almost surely, 219155035005 is an apocalyptic number.

It is an amenable number.

19155035005 is a deficient number, since it is larger than the sum of its proper divisors (5991816323).

19155035005 is a wasteful number, since it uses less digits than its factorization.

19155035005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6877.

The product of its (nonzero) digits is 16875, while the sum is 34.

The spelling of 19155035005 in words is "nineteen billion, one hundred fifty-five million, thirty-five thousand, five".

Divisors: 1 5 17 31 85 155 527 1321 2635 5503 6605 22457 27515 40951 93551 112285 170593 204755 467755 696167 852965 2900081 3480835 7269463 14500405 36347315 123580871 225353353 617904355 1126766765 3831007001 19155035005