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16570043420 = 2257823714369
BaseRepresentation
bin11110110111010011…
…01100110000011100
31120202210110102100212
433123221230300130
5232413412342140
611340121311552
71124423021330
oct173351546034
946683412325
1016570043420
1170333a2967
1232653355b8
131740bc3828
14b3295b7c0
1566ea97765
hex3dba6cc1c

16570043420 has 48 divisors (see below), whose sum is σ = 39775700160. Its totient is φ = 5680072704.

The previous prime is 16570043419. The next prime is 16570043473. The reversal of 16570043420 is 2434007561.

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 15 ways as a sum of consecutive naturals, for example, 1145996 + ... + 1160364.

It is an arithmetic number, because the mean of its divisors is an integer number (828660420).

Almost surely, 216570043420 is an apocalyptic number.

16570043420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16570043420 is an abundant number, since it is smaller than the sum of its proper divisors (23205656740).

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

16570043420 is a wasteful number, since it uses less digits than its factorization.

16570043420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22622 (or 22620 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 16570043420 in words is "sixteen billion, five hundred seventy million, forty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 8237 14369 16474 28738 32948 41185 57476 57659 71845 82370 100583 115318 143690 164740 201166 230636 287380 288295 402332 502915 576590 1005830 1153180 2011660 118357453 236714906 473429812 591787265 828502171 1183574530 1657004342 2367149060 3314008684 4142510855 8285021710 16570043420