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19070869870 = 2513146698999
BaseRepresentation
bin10001110000101101…
…100110000101101110
31211020002012120022201
4101300231212011232
5303024120313440
612432214532114
71243410501463
oct216055460556
954202176281
1019070869870
1180a7010888
12384296703a
131a4c0521b0
14cccb4566a
157693d819a
hex470b6616e

19070869870 has 16 divisors (see below), whose sum is σ = 36968148000. Its totient is φ = 7041551904.

The previous prime is 19070869817. The next prime is 19070869901. The reversal of 19070869870 is 7896807091.

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 7 ways as a sum of consecutive naturals, for example, 73349370 + ... + 73349629.

It is an arithmetic number, because the mean of its divisors is an integer number (2310509250).

Almost surely, 219070869870 is an apocalyptic number.

19070869870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19070869870 is a deficient number, since it is larger than the sum of its proper divisors (17897278130).

19070869870 is a wasteful number, since it uses less digits than its factorization.

19070869870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146699019.

The product of its (nonzero) digits is 1524096, while the sum is 55.

The spelling of 19070869870 in words is "nineteen billion, seventy million, eight hundred sixty-nine thousand, eight hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 146698999 293397998 733494995 1466989990 1907086987 3814173974 9535434935 19070869870