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140991804745 = 51127739723311
BaseRepresentation
bin1000001101001111000…
…1000011010101001001
3111110220221221210002021
42003103301003111021
54302222400222440
6144434251404441
713120623365221
oct2032361032511
9443827853067
10140991804745
115488121a790
12233a9a53721
13103ac1bcbcc
146b77245081
153a02d3484a
hex20d3c43549

140991804745 has 32 divisors (see below), whose sum is σ = 185711970816. Its totient is φ = 101907590400.

The previous prime is 140991804739. The next prime is 140991804799. The reversal of 140991804745 is 547408199041.

It is not a de Polignac number, because 140991804745 - 211 = 140991802697 is a prime.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140991804692 and 140991804701.

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, 6036640 + ... + 6059950.

It is an arithmetic number, because the mean of its divisors is an integer number (5803499088).

Almost surely, 2140991804745 is an apocalyptic number.

It is an amenable number.

140991804745 is a deficient number, since it is larger than the sum of its proper divisors (44720166071).

140991804745 is a wasteful number, since it uses less digits than its factorization.

140991804745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24001.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 140991804745 in words is "one hundred forty billion, nine hundred ninety-one million, eight hundred four thousand, seven hundred forty-five".

Divisors: 1 5 11 55 277 397 1385 1985 3047 4367 15235 21835 23311 109969 116555 256421 549845 1209659 1282105 6048295 6457147 9254467 32285735 46272335 71028617 101799137 355143085 508995685 2563487359 12817436795 28198360949 140991804745