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1982253273 = 3711132772383
BaseRepresentation
bin111011000100110…
…1100100011011001
312010010221220021220
41312021230203121
513024424101043
6524410322253
7100056606030
oct16611544331
95103856256
101982253273
11927a26250
12473a29389
132578a2740
1414b399717
15b9059483
hex7626c8d9

1982253273 has 64 divisors (see below), whose sum is σ = 3562954752. Its totient is φ = 946702080.

The previous prime is 1982253263. The next prime is 1982253277. The reversal of 1982253273 is 3723522891.

It is not a de Polignac number, because 1982253273 - 28 = 1982253017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1982253277) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 830640 + ... + 833022.

It is an arithmetic number, because the mean of its divisors is an integer number (55671168).

Almost surely, 21982253273 is an apocalyptic number.

1982253273 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1982253273 is a deficient number, since it is larger than the sum of its proper divisors (1580701479).

1982253273 is a wasteful number, since it uses less digits than its factorization.

1982253273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694.

The product of its digits is 181440, while the sum is 42.

The square root of 1982253273 is about 44522.5029956762. The cubic root of 1982253273 is about 1256.1833936518.

It can be divided in two parts, 1982 and 253273, that added together give a triangular number (255255 = T714).

The spelling of 1982253273 in words is "one billion, nine hundred eighty-two million, two hundred fifty-three thousand, two hundred seventy-three".

Divisors: 1 3 7 11 13 21 33 39 77 91 143 231 273 277 429 831 1001 1939 2383 3003 3047 3601 5817 7149 9141 10803 16681 21329 25207 26213 30979 39611 50043 63987 75621 78639 92937 118833 183491 216853 277277 340769 550473 650559 660091 831831 1022307 1980273 2385383 4620637 7156149 7261001 8581183 13861911 21783003 25743549 50827007 60068281 94393013 152481021 180204843 283179039 660751091 1982253273