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3898042512 = 2437213127487
BaseRepresentation
bin1110100001010111…
…0110100010010000
3101001122212002001220
43220111312202100
530440344330022
61442444325040
7165411546300
oct35025664220
911048762056
103898042512
111720386041
12909543780
134a1773c40
1428d9b3600
1517c33585c
hexe8576890

3898042512 has 120 divisors (see below), whose sum is σ = 12615192576. Its totient is φ = 1028047104.

The previous prime is 3898042483. The next prime is 3898042529. The reversal of 3898042512 is 2152408983.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33168 + ... + 94319.

Almost surely, 23898042512 is an apocalyptic number.

It is an amenable number.

3898042512 is an abundant number, since it is smaller than the sum of its proper divisors (8717150064).

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

3898042512 is a wasteful number, since it uses less digits than its factorization.

3898042512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127525 (or 127512 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 3898042512 is about 62434.3055699349. The cubic root of 3898042512 is about 1573.7975216737.

The spelling of 3898042512 in words is "three billion, eight hundred ninety-eight million, forty-two thousand, five hundred twelve".

Divisors: 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 49 52 56 78 84 91 98 104 112 147 156 168 182 196 208 273 294 312 336 364 392 546 588 624 637 728 784 1092 1176 1274 1456 1911 2184 2352 2548 3822 4368 5096 7644 10192 15288 30576 127487 254974 382461 509948 764922 892409 1019896 1529844 1657331 1784818 2039792 2677227 3059688 3314662 3569636 4971993 5354454 6119376 6246863 6629324 7139272 9943986 10708908 11601317 12493726 13258648 14278544 18740589 19887972 21417816 23202634 24987452 26517296 34803951 37481178 39775944 42835632 46405268 49974904 69607902 74962356 79551888 81209219 92810536 99949808 139215804 149924712 162418438 185621072 243627657 278431608 299849424 324836876 487255314 556863216 649673752 974510628 1299347504 1949021256 3898042512