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7145700740 = 2258328115319
BaseRepresentation
bin1101010011110101…
…01011110110000100
3200102222220012121222
412221322223312010
5104113244410430
63141021055512
7342035311523
oct65172536604
920388805558
107145700740
11303761a802
1214750b7598
1389b55acb9
144bb0464ba
152bc4e99e5
hex1a9eabd84

7145700740 has 48 divisors (see below), whose sum is σ = 15241806720. Its totient is φ = 2813610240.

The previous prime is 7145700733. The next prime is 7145700761. The reversal of 7145700740 is 470075417.

It is a super-2 number, since 2×71457007402 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7145700740.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458801 + ... + 474119.

It is an arithmetic number, because the mean of its divisors is an integer number (317537640).

Almost surely, 27145700740 is an apocalyptic number.

It is an amenable number.

7145700740 is an abundant number, since it is smaller than the sum of its proper divisors (8096105980).

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

7145700740 is a wasteful number, since it uses less digits than its factorization.

7145700740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15692 (or 15690 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 7145700740 is about 84532.2467464340. The cubic root of 7145700740 is about 1926.1123151546.

The spelling of 7145700740 in words is "seven billion, one hundred forty-five million, seven hundred thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 83 166 281 332 415 562 830 1124 1405 1660 2810 5620 15319 23323 30638 46646 61276 76595 93292 116615 153190 233230 306380 466460 1271477 2542954 4304639 5085908 6357385 8609278 12714770 17218556 21523195 25429540 43046390 86092780 357285037 714570074 1429140148 1786425185 3572850370 7145700740