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1640077600330 = 251312615981541
BaseRepresentation
bin10111110111011100001…
…111100010011001001010
312210210022211100112010001
4113313130033202121022
5203332334331202310
63253235150513214
7226330436404621
oct27673417423112
95723284315101
101640077600330
1158260a059834
12225a3680580a
13bb8740a8650
14595472d86b8
152c9dece893a
hex17ddc3e264a

1640077600330 has 16 divisors (see below), whose sum is σ = 3179227348584. Its totient is φ = 605567113920.

The previous prime is 1640077600327. The next prime is 1640077600363. The reversal of 1640077600330 is 330067700461.

It can be written as a sum of positive squares in 4 ways, for example, as 868327649281 + 771749951049 = 931841^2 + 878493^2 .

It is a super-3 number, since 3×16400776003303 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1640077600330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6307990641 + ... + 6307990900.

Almost surely, 21640077600330 is an apocalyptic number.

1640077600330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1640077600330 is a deficient number, since it is larger than the sum of its proper divisors (1539149748254).

1640077600330 is a wasteful number, since it uses less digits than its factorization.

1640077600330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12615981561.

The product of its (nonzero) digits is 63504, while the sum is 37.

The spelling of 1640077600330 in words is "one trillion, six hundred forty billion, seventy-seven million, six hundred thousand, three hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 12615981541 25231963082 63079907705 126159815410 164007760033 328015520066 820038800165 1640077600330