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19111339490060 = 22531313727135463
BaseRepresentation
bin1000101100001101101001…
…00110011111101100001100
32111200000201002221012110202
410112012310212133230030
510001110010402140220
6104351343403153032
74011514544226056
oct426066446375414
974600632835422
1019111339490060
1160a9089a01a34
122187aa4b15778
13a88264b9877c
144a0dcac788d6
152321e3108275
hex1161b499fb0c

19111339490060 has 96 divisors (see below), whose sum is σ = 41618286108672. Its totient is φ = 7364104450560.

The previous prime is 19111339490051. The next prime is 19111339490063. The reversal of 19111339490060 is 6009493311191.

It is a junction number, because it is equal to n+sod(n) for n = 19111339489987 and 19111339490014.

It is not an unprimeable number, because it can be changed into a prime (19111339490063) 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, 141013889 + ... + 141149351.

It is an arithmetic number, because the mean of its divisors is an integer number (433523813632).

Almost surely, 219111339490060 is an apocalyptic number.

19111339490060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19111339490060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20809143054336).

19111339490060 is an abundant number, since it is smaller than the sum of its proper divisors (22506946618612).

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

19111339490060 is a wasteful number, since it uses less digits than its factorization.

19111339490060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136543 (or 136541 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 47.

The spelling of 19111339490060 in words is "nineteen trillion, one hundred eleven billion, three hundred thirty-nine million, four hundred ninety thousand, sixty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 313 620 626 727 1252 1454 1565 2908 3130 3635 6260 7270 9703 14540 19406 22537 38812 45074 48515 90148 97030 112685 135463 194060 225370 227551 270926 450740 455102 541852 677315 910204 1137755 1354630 2275510 2709260 4199353 4551020 7054081 8398706 14108162 16797412 20996765 28216324 35270405 41993530 42399919 70540810 83987060 84799838 98481601 141081620 169599676 196963202 211999595 393926404 423999190 492408005 847998380 984816010 1314397489 1969632020 2628794978 3052929631 5257589956 6105859262 6571987445 12211718524 13143974890 15264648155 26287949780 30529296310 30824741113 61058592620 61649482226 123298964452 154123705565 308247411130 616494822260 955566974503 1911133949006 3822267898012 4777834872515 9555669745030 19111339490060