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1943119145 = 51135329439
BaseRepresentation
bin111001111010001…
…1010010100101001
312000102022200100202
41303310122110221
512434414303040
6520451441545
766103145252
oct16364322451
95012280322
101943119145
119079271a0
124628b62b5
1324c750056
141460cdb29
15b58c9015
hex73d1a529

1943119145 has 8 divisors (see below), whose sum is σ = 2543719680. Its totient is φ = 1413177520.

The previous prime is 1943119133. The next prime is 1943119147. The reversal of 1943119145 is 5419113491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1943119145 - 28 = 1943118889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1943119099 and 1943119108.

It is not an unprimeable number, because it can be changed into a prime (1943119147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17664665 + ... + 17664774.

It is an arithmetic number, because the mean of its divisors is an integer number (317964960).

Almost surely, 21943119145 is an apocalyptic number.

It is an amenable number.

1943119145 is a deficient number, since it is larger than the sum of its proper divisors (600600535).

1943119145 is a wasteful number, since it uses less digits than its factorization.

1943119145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35329455.

The product of its digits is 19440, while the sum is 38.

The square root of 1943119145 is about 44080.8251397362. The cubic root of 1943119145 is about 1247.8617620363.

The spelling of 1943119145 in words is "one billion, nine hundred forty-three million, one hundred nineteen thousand, one hundred forty-five".

Divisors: 1 5 11 55 35329439 176647195 388623829 1943119145