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19192910920011 = 34439153962541
BaseRepresentation
bin1000101110100101100101…
…01000110011100101001011
32111221211020221222012010000
410113102302220303211023
510003424040143420021
6104453033534054043
74020433140026103
oct427226250634513
974854227865100
1019192910920011
11612a738946654
12219b86b04a323
13a92b6474219a
144a4d285cc203
152343b9530b26
hex1174b2a3394b

19192910920011 has 20 divisors (see below), whose sum is σ = 28677421620144. Its totient is φ = 12792359732400.

The previous prime is 19192910920009. The next prime is 19192910920039. The reversal of 19192910920011 is 11002901929191.

It is not a de Polignac number, because 19192910920011 - 21 = 19192910920009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19192910920511) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26625600 + ... + 27336941.

Almost surely, 219192910920011 is an apocalyptic number.

19192910920011 is a deficient number, since it is larger than the sum of its proper divisors (9484510700133).

19192910920011 is an equidigital number, since it uses as much as digits as its factorization.

19192910920011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53966944 (or 53966935 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 45.

The spelling of 19192910920011 in words is "nineteen trillion, one hundred ninety-two billion, nine hundred ten million, nine hundred twenty thousand, eleven".

Divisors: 1 3 9 27 81 4391 13173 39519 118557 355671 53962541 161887623 485662869 1456988607 4370965821 236949517531 710848552593 2132545657779 6397636973337 19192910920011