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1955985714 = 232108665873
BaseRepresentation
bin111010010010101…
…1111100100110010
312001022112100222100
41310211133210302
513001213020324
6522031321230
766320414154
oct16445374462
95038470870
101955985714
11914115021
12467080216
132523065c7
14147abcad4
15b6abb4c9
hex7495f932

1955985714 has 12 divisors (see below), whose sum is σ = 4237969086. Its totient is φ = 651995232.

The previous prime is 1955985671. The next prime is 1955985721. The reversal of 1955985714 is 4175895591.

It is a happy number.

1955985714 is a `hidden beast` number, since 1 + 9 + 559 + 85 + 7 + 1 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1345055625 + 610930089 = 36675^2 + 24717^2 .

It is a super-2 number, since 2×19559857142 = 7651760226744179592, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54332919 + ... + 54332954.

Almost surely, 21955985714 is an apocalyptic number.

1955985714 is an abundant number, since it is smaller than the sum of its proper divisors (2281983372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1955985714 is a wasteful number, since it uses less digits than its factorization.

1955985714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108665881 (or 108665878 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 54.

The square root of 1955985714 is about 44226.5272658842. The cubic root of 1955985714 is about 1250.6099879367.

The spelling of 1955985714 in words is "one billion, nine hundred fifty-five million, nine hundred eighty-five thousand, seven hundred fourteen".

Divisors: 1 2 3 6 9 18 108665873 217331746 325997619 651995238 977992857 1955985714