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1682289697490 = 25193871652693
BaseRepresentation
bin11000011110110000010…
…001111010001011010010
312221211021122212020102222
4120132300101322023102
5210030312130304430
63324455550341042
7232353464330363
oct30366021721322
95854248766388
101682289697490
1159950074a146
122320574ba782
13c284053682c
145b5cd5b1b6a
152db60adb9e5
hex187b047a2d2

1682289697490 has 16 divisors (see below), whose sum is σ = 3043811207448. Its totient is φ = 669429267456.

The previous prime is 1682289697469. The next prime is 1682289697499. The reversal of 1682289697490 is 947969822861.

It can be written as a sum of positive squares in 4 ways, for example, as 1122906866929 + 559382830561 = 1059673^2 + 747919^2 .

It is not an unprimeable number, because it can be changed into a prime (1682289697499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435824417 + ... + 435828276.

Almost surely, 21682289697490 is an apocalyptic number.

1682289697490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1682289697490 is a deficient number, since it is larger than the sum of its proper divisors (1361521509958).

1682289697490 is a wasteful number, since it uses less digits than its factorization.

1682289697490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871652893.

The product of its (nonzero) digits is 188116992, while the sum is 71.

The spelling of 1682289697490 in words is "one trillion, six hundred eighty-two billion, two hundred eighty-nine million, six hundred ninety-seven thousand, four hundred ninety".

Divisors: 1 2 5 10 193 386 965 1930 871652693 1743305386 4358263465 8716526930 168228969749 336457939498 841144848745 1682289697490