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100011219990 = 23511793836257
BaseRepresentation
bin101110100100100100…
…0100001110000010110
3100120010221202101011220
41131021020201300112
53114310333014430
6113540003311210
710140241225563
oct1351110416026
9316127671156
10100011219990
11394617a9920
121747167b506
13957ac3a6a6
144baa74186a
152905204110
hex1749221c16

100011219990 has 64 divisors (see below), whose sum is σ = 265162152960. Its totient is φ = 23938237440.

The previous prime is 100011219983. The next prime is 100011220019. The reversal of 100011219990 is 99912110001.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 1892059 + ... + 1944198.

It is an arithmetic number, because the mean of its divisors is an integer number (4143158640).

Almost surely, 2100011219990 is an apocalyptic number.

100011219990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100011219990 is an abundant number, since it is smaller than the sum of its proper divisors (165150932970).

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

100011219990 is a wasteful number, since it uses less digits than its factorization.

100011219990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3836357.

The product of its (nonzero) digits is 1458, while the sum is 33.

Adding to 100011219990 its reverse (99912110001), we get a palindrome (199923329991).

The spelling of 100011219990 in words is "one hundred billion, eleven million, two hundred nineteen thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 79 110 158 165 237 330 395 474 790 869 1185 1738 2370 2607 4345 5214 8690 13035 26070 3836257 7672514 11508771 19181285 23017542 38362570 42198827 57543855 84397654 115087710 126596481 210994135 253192962 303064303 421988270 606128606 632982405 909192909 1265964810 1515321515 1818385818 3030643030 3333707333 4545964545 6667414666 9091929090 10001121999 16668536665 20002243998 33337073330 50005609995 100011219990