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3873918984 = 2331327145817
BaseRepresentation
bin1110011011100111…
…0101000000001000
3100222222110110210220
43212321311000020
530413210401414
61440223310040
7164666524305
oct34671650010
910888413726
103873918984
1117087a9741
1290144b320
13499778970
1428a6d40ac
1517a16cca9
hexe6e75008

3873918984 has 64 divisors (see below), whose sum is σ = 10468496640. Its totient is φ = 1187550720.

The previous prime is 3873918947. The next prime is 3873919001. The reversal of 3873918984 is 4898193783.

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, 61644 + ... + 107460.

It is an arithmetic number, because the mean of its divisors is an integer number (163570260).

Almost surely, 23873918984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3873918984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5234248320).

3873918984 is an abundant number, since it is smaller than the sum of its proper divisors (6594577656).

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

3873918984 is a wasteful number, since it uses less digits than its factorization.

3873918984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46110 (or 46106 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 60.

The square root of 3873918984 is about 62240.8144548254. The cubic root of 3873918984 is about 1570.5442531384.

The spelling of 3873918984 in words is "three billion, eight hundred seventy-three million, nine hundred eighteen thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 271 312 542 813 1084 1626 2168 3252 3523 6504 7046 10569 14092 21138 28184 42276 45817 84552 91634 137451 183268 274902 366536 549804 595621 1099608 1191242 1786863 2382484 3573726 4764968 7147452 12416407 14294904 24832814 37249221 49665628 74498442 99331256 148996884 161413291 297993768 322826582 484239873 645653164 968479746 1291306328 1936959492 3873918984