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1375538462725 = 527231437910663
BaseRepresentation
bin10100000001000100011…
…110110100000000000101
311212111111122021221122211
4110001010132310000011
5140014100321301400
62531525203023421
7201244061005600
oct24010436640005
94774448257584
101375538462725
114903a9669289
121a270906ab71
139c935b0166b
144a80d98b337
1525baa8a1dba
hex140447b4005

1375538462725 has 144 divisors (see below), whose sum is σ = 2122507960320. Its totient is φ = 880203542400.

The previous prime is 1375538462651. The next prime is 1375538462761. The reversal of 1375538462725 is 5272648355731.

It is not a de Polignac number, because 1375538462725 - 227 = 1375404244997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1375538462725.

It is a congruent number.

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 128995744 + ... + 129006406.

Almost surely, 21375538462725 is an apocalyptic number.

It is an amenable number.

1375538462725 is a deficient number, since it is larger than the sum of its proper divisors (746969497595).

1375538462725 is a wasteful number, since it uses less digits than its factorization.

1375538462725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10840 (or 10828 counting only the distinct ones).

The product of its digits is 42336000, while the sum is 58.

The spelling of 1375538462725 in words is "one trillion, three hundred seventy-five billion, five hundred thirty-eight million, four hundred sixty-two thousand, seven hundred twenty-five".

Divisors: 1 5 7 25 31 35 43 49 79 155 175 215 217 245 301 395 553 775 1075 1085 1225 1333 1505 1519 1975 2107 2449 2765 3397 3871 5425 6665 7525 7595 9331 10535 10663 12245 13825 16985 17143 19355 23779 33325 37975 46655 52675 53315 61225 65317 74641 84925 85715 96775 105307 118895 120001 166453 233275 266575 326585 330553 373205 428575 458509 522487 526535 594475 600005 737149 832265 842377 1632925 1652765 1866025 2292545 2313871 2612435 2632675 3000025 3209563 3685745 4161325 4211885 5160043 5896639 8263825 11462725 11569355 13062175 14213779 16047815 16197097 18428725 21059425 22466941 25800215 26113687 29483195 36222211 41276473 57846775 71068895 80239075 80985485 99496453 112334705 129001075 130568435 147415975 181111055 182795809 206382365 253555477 355344475 404927425 497482265 561673525 652842175 696475171 905555275 913979045 1031911825 1122888541 1267777385 1279570663 1774888339 2487411325 3482375855 4569895225 5614442705 6338886925 6397853315 7860219787 8874441695 17411879275 28072213525 31989266575 39301098935 44372208475 55021538509 196505494675 275107692545 1375538462725