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19392921020011 = 7116471346928901
BaseRepresentation
bin1000110100011010001000…
…01010110010011001101011
32112122221112000021000012111
410122031010022302121223
510020213200240120021
6105124552424423151
74041043442600140
oct432150412623153
975587460230174
1019392921020011
1161a7545386060
12221258a017ab7
13aa898ab89596
144b089db7c3c7
152396c37ec8e1
hex11a3442b266b

19392921020011 has 32 divisors (see below), whose sum is σ = 24218192747520. Its totient is φ = 15086368752000.

The previous prime is 19392921020003. The next prime is 19392921020047. The reversal of 19392921020011 is 11002012929391.

It is not a de Polignac number, because 19392921020011 - 23 = 19392921020003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19392921021011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 670997661 + ... + 671026561.

It is an arithmetic number, because the mean of its divisors is an integer number (756818523360).

Almost surely, 219392921020011 is an apocalyptic number.

19392921020011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

19392921020011 is a deficient number, since it is larger than the sum of its proper divisors (4825271727509).

19392921020011 is a wasteful number, since it uses less digits than its factorization.

19392921020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43035.

The product of its (nonzero) digits is 17496, while the sum is 40.

The spelling of 19392921020011 in words is "nineteen trillion, three hundred ninety-two billion, nine hundred twenty-one million, twenty thousand, eleven".

Divisors: 1 7 11 77 647 4529 7117 13469 28901 49819 94283 148159 202307 317911 1037113 2225377 8714443 18698947 61001101 95858873 130892629 205688417 389267569 671012111 1439818919 2724872983 4281943259 29973602813 251856117143 1762992820001 2770417288573 19392921020011