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19115829006 = 2361211247531
BaseRepresentation
bin10001110011011001…
…000110011100001110
31211100012210201122220
4101303121012130032
5303122123012011
612440502320210
71244464602621
oct216331063416
954305721586
1019115829006
11811a42929a
123855a29066
131a58464031
14cd4ac9db8
1576d319506
hex47364670e

19115829006 has 32 divisors (see below), whose sum is σ = 39042727296. Its totient is φ = 6237756000.

The previous prime is 19115828989. The next prime is 19115829011. The reversal of 19115829006 is 60092851191.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46540 + ... + 200991.

It is an arithmetic number, because the mean of its divisors is an integer number (1220085228).

Almost surely, 219115829006 is an apocalyptic number.

19115829006 is an abundant number, since it is smaller than the sum of its proper divisors (19926898290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19115829006 is a wasteful number, since it uses less digits than its factorization.

19115829006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247808.

The product of its (nonzero) digits is 38880, while the sum is 42.

The spelling of 19115829006 in words is "nineteen billion, one hundred fifteen million, eight hundred twenty-nine thousand, six".

Divisors: 1 2 3 6 61 122 183 211 366 422 633 1266 12871 25742 38613 77226 247531 495062 742593 1485186 15099391 30198782 45298173 52229041 90596346 104458082 156687123 313374246 3185971501 6371943002 9557914503 19115829006