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19990034330160 = 2435401920724511
BaseRepresentation
bin1001000101110010010101…
…11001010011001000110000
32121210000202212022000122210
410202321022321103020300
510110004042242031120
6110303143415132120
74132142454151566
oct442711271231060
977700685260583
1019990034330160
1164077a9270864
1222aa252074040
13b2008a75648b
144d17468b3a36
15249ec0009ce0
hex122e4ae53230

19990034330160 has 80 divisors (see below), whose sum is σ = 61984528450560. Its totient is φ = 5329349195520.

The previous prime is 19990034330159. The next prime is 19990034330179. The reversal of 19990034330160 is 6103343009991.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 9397696 + ... + 11326815.

It is an arithmetic number, because the mean of its divisors is an integer number (774806605632).

Almost surely, 219990034330160 is an apocalyptic number.

19990034330160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19990034330160 is an abundant number, since it is smaller than the sum of its proper divisors (41994494120400).

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

19990034330160 is a wasteful number, since it uses less digits than its factorization.

19990034330160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20728546 (or 20728540 counting only the distinct ones).

The product of its (nonzero) digits is 472392, while the sum is 48.

The spelling of 19990034330160 in words is "nineteen trillion, nine hundred ninety billion, thirty-four million, three hundred thirty thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 4019 8038 12057 16076 20095 24114 32152 40190 48228 60285 64304 80380 96456 120570 160760 192912 241140 321520 482280 964560 20724511 41449022 62173533 82898044 103622555 124347066 165796088 207245110 248694132 310867665 331592176 414490220 497388264 621735330 828980440 994776528 1243470660 1657960880 2486941320 4973882640 83291809709 166583619418 249875429127 333167238836 416459048545 499750858254 666334477672 832918097090 999501716508 1249377145635 1332668955344 1665836194180 1999003433016 2498754291270 3331672388360 3998006866032 4997508582540 6663344776720 9995017165080 19990034330160