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1980507674 = 219431212061
BaseRepresentation
bin111011000001100…
…0010011000011010
312010000200012210002
41312003002120122
513024002221144
6524305053002
7100036015565
oct16603023032
95100605702
101980507674
11926a43802
12473327162
13257411042
1414b0634dc
15b8d1214e
hex760c261a

1980507674 has 16 divisors (see below), whose sum is σ = 3199843680. Its totient is φ = 916317360.

The previous prime is 1980507671. The next prime is 1980507703. The reversal of 1980507674 is 4767050891.

It is a super-3 number, since 3×19805076743 (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1980507671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604397 + ... + 607664.

It is an arithmetic number, because the mean of its divisors is an integer number (199990230).

Almost surely, 21980507674 is an apocalyptic number.

1980507674 is a deficient number, since it is larger than the sum of its proper divisors (1219336006).

1980507674 is a wasteful number, since it uses less digits than its factorization.

1980507674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212125.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 1980507674 is about 44502.8951193066. The cubic root of 1980507674 is about 1255.8145480073.

The spelling of 1980507674 in words is "one billion, nine hundred eighty million, five hundred seven thousand, six hundred seventy-four".

Divisors: 1 2 19 38 43 86 817 1634 1212061 2424122 23029159 46058318 52118623 104237246 990253837 1980507674