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3745750905 = 3351323711307
BaseRepresentation
bin1101111101000011…
…1001111101111001
3100200001021212021000
43133100321331321
530132403012110
61415404235213
7161552233401
oct33720717571
910601255230
103745750905
111652419106
1288653bb09
13479051c70
1427768d801
1516dca21c0
hexdf439f79

3745750905 has 128 divisors (see below), whose sum is σ = 7594352640. Its totient is φ = 1737711360.

The previous prime is 3745750873. The next prime is 3745750909. The reversal of 3745750905 is 5090575473.

3745750905 is a `hidden beast` number, since 3 + 74 + 575 + 0 + 9 + 0 + 5 = 666.

It is not a de Polignac number, because 3745750905 - 25 = 3745750873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (3745750909) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2865262 + ... + 2866568.

It is an arithmetic number, because the mean of its divisors is an integer number (59330880).

Almost surely, 23745750905 is an apocalyptic number.

It is an amenable number.

3745750905 is an abundant number, since it is smaller than the sum of its proper divisors (3848601735).

3745750905 is a wasteful number, since it uses less digits than its factorization.

3745750905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428 (or 1422 counting only the distinct ones).

The product of its (nonzero) digits is 661500, while the sum is 45.

The square root of 3745750905 is about 61202.5400208194. The cubic root of 3745750905 is about 1553.0292344900.

The spelling of 3745750905 in words is "three billion, seven hundred forty-five million, seven hundred fifty thousand, nine hundred five".

Divisors: 1 3 5 9 13 15 23 27 39 45 65 69 71 115 117 135 195 207 213 299 345 351 355 585 621 639 897 923 1035 1065 1307 1495 1633 1755 1917 2691 2769 3105 3195 3921 4485 4615 4899 6535 8073 8165 8307 9585 11763 13455 13845 14697 16991 19605 21229 24495 24921 30061 35289 40365 41535 44091 50973 58815 63687 73485 84955 90183 92797 106145 124605 150305 152919 176445 191061 220455 254865 270549 278391 318435 390793 450915 458757 463985 573183 764595 811647 835173 955305 1172379 1206361 1352745 1391955 1953965 2134331 2293785 2505519 2865915 3517137 3619083 4058235 4175865 5861895 6031805 6402993 10551411 10671655 10857249 12527595 17585685 18095415 19208979 27746303 32014965 32571747 52757055 54286245 57626937 83238909 96044895 138731515 162858735 249716727 288134685 416194545 749150181 1248583635 3745750905