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1372081440871 = 31127479727577
BaseRepresentation
bin10011111101110110011…
…011010100100001100111
311212011120201022001012101
4103331312123110201213
5134440010322101441
62530154151032531
7201062312546641
oct23756633244147
94764521261171
101372081440871
11489995226629
121a1b0336b747
139c5048322bb
144a5a27b9891
1525a57134231
hex13f766d4867

1372081440871 has 16 divisors (see below), whose sum is σ = 1430476554240. Its totient is φ = 1314613419840.

The previous prime is 1372081440827. The next prime is 1372081440887. The reversal of 1372081440871 is 1780441802731.

It is a cyclic number.

It is not a de Polignac number, because 1372081440871 - 211 = 1372081438823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372081440571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1522035 + ... + 2249611.

It is an arithmetic number, because the mean of its divisors is an integer number (89404784640).

Almost surely, 21372081440871 is an apocalyptic number.

1372081440871 is a deficient number, since it is larger than the sum of its proper divisors (58395113369).

1372081440871 is a wasteful number, since it uses less digits than its factorization.

1372081440871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728214.

The product of its (nonzero) digits is 301056, while the sum is 46.

The spelling of 1372081440871 in words is "one trillion, three hundred seventy-two billion, eighty-one million, four hundred forty thousand, eight hundred seventy-one".

Divisors: 1 31 127 479 3937 14849 60833 727577 1885823 22554887 92402279 348509383 2864470649 10803790873 44260691641 1372081440871