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19100102010 = 2351165638819
BaseRepresentation
bin10001110010011101…
…000110110101111010
31211022010012201021120
4101302131012311322
5303104111231020
612435141250110
71244214121413
oct216235066572
954263181246
1019100102010
118111567380
123850703936
131a55118812
14cd299480a
1576bc5e740
hex472746d7a

19100102010 has 64 divisors (see below), whose sum is σ = 50020830720. Its totient is φ = 4629097280.

The previous prime is 19100101981. The next prime is 19100102023. The reversal of 19100102010 is 1020100191.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 31 ways as a sum of consecutive naturals, for example, 2161381 + ... + 2170199.

It is an arithmetic number, because the mean of its divisors is an integer number (781575480).

Almost surely, 219100102010 is an apocalyptic number.

19100102010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19100102010 is an abundant number, since it is smaller than the sum of its proper divisors (30920728710).

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

19100102010 is a wasteful number, since it uses less digits than its factorization.

19100102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15403.

The product of its (nonzero) digits is 18, while the sum is 15.

The spelling of 19100102010 in words is "nineteen billion, one hundred million, one hundred two thousand, ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 6563 8819 13126 17638 19689 26457 32815 39378 44095 52914 65630 72193 88190 97009 98445 132285 144386 194018 196890 216579 264570 291027 360965 433158 485045 582054 721930 970090 1082895 1455135 2165790 2910270 57879097 115758194 173637291 289395485 347274582 578790970 636670067 868186455 1273340134 1736372910 1910010201 3183350335 3820020402 6366700670 9550051005 19100102010