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1982815795652 = 225009949110427
BaseRepresentation
bin11100110110101001000…
…001111111100111000100
321000112222211201211012012
4130312221001333213010
5224441301320430102
64114520515513352
7263153011114646
oct34665101774704
97015884654165
101982815795652
116a49a890880a
12280348bb8858
13114c95357513
146bd7c540896
153689e56b752
hex1cda907f9c4

1982815795652 has 24 divisors (see below), whose sum is σ = 3471318940320. Its totient is φ = 991010483840.

The previous prime is 1982815795633. The next prime is 1982815795657. The reversal of 1982815795652 is 2565975182891.

It is not an unprimeable number, because it can be changed into a prime (1982815795657) 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, 190156463 + ... + 190166889.

It is an arithmetic number, because the mean of its divisors is an integer number (144638289180).

Almost surely, 21982815795652 is an apocalyptic number.

It is an amenable number.

1982815795652 is a deficient number, since it is larger than the sum of its proper divisors (1488503144668).

1982815795652 is a wasteful number, since it uses less digits than its factorization.

1982815795652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24931 (or 24929 counting only the distinct ones).

The product of its digits is 108864000, while the sum is 68.

The spelling of 1982815795652 in words is "one trillion, nine hundred eighty-two billion, eight hundred fifteen million, seven hundred ninety-five thousand, six hundred fifty-two".

Divisors: 1 2 4 5009 9491 10018 10427 18982 20036 20854 37964 41708 47540419 52228843 95080838 98962657 104457686 190161676 197925314 208915372 395850628 495703948913 991407897826 1982815795652