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1431979971352 = 237214832463257
BaseRepresentation
bin10100110101101000101…
…010000101001100011000
312001220012010221122221021
4110311220222011030120
5141430143333040402
63013501552252224
7205312540632100
oct24655052051430
95056163848837
101431979971352
115023323a9087
121b163b241074
13a505c252b48
144d4459b8200
15273b09e1d37
hex14d68a85318

1431979971352 has 48 divisors (see below), whose sum is σ = 3125431015560. Its totient is φ = 613291625856.

The previous prime is 1431979971299. The next prime is 1431979971413. The reversal of 1431979971352 is 2531799791341.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 650293 + ... + 1812964.

Almost surely, 21431979971352 is an apocalyptic number.

It is an amenable number.

1431979971352 is an abundant number, since it is smaller than the sum of its proper divisors (1693451044208).

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

1431979971352 is a wasteful number, since it uses less digits than its factorization.

1431979971352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464760 (or 2464749 counting only the distinct ones).

The product of its digits is 12859560, while the sum is 61.

The spelling of 1431979971352 in words is "one trillion, four hundred thirty-one billion, nine hundred seventy-nine million, nine hundred seventy-one thousand, three hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 1483 2966 5932 10381 11864 20762 41524 72667 83048 145334 290668 581336 2463257 4926514 9853028 17242799 19706056 34485598 68971196 120699593 137942392 241399186 482798372 965596744 3653010131 7306020262 14612040524 25571070917 29224081048 51142141834 102284283668 178997496419 204568567336 357994992838 715989985676 1431979971352