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4138659760 = 245531496551
BaseRepresentation
bin1111011010101110…
…1110111110110000
3101200102121200212211
43312223232332300
531433444103020
61522401501504
7204363012304
oct36653567660
911612550784
104138659760
111834190374
12976041894
1350c57ca01
142b3929d04
1519351485a
hexf6aeefb0

4138659760 has 80 divisors (see below), whose sum is σ = 9871243200. Its totient is φ = 1613081600.

The previous prime is 4138659757. The next prime is 4138659773. The reversal of 4138659760 is 679568314.

It is a tau number, because it is divible by the number of its divisors (80).

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, 628485 + ... + 635035.

It is an arithmetic number, because the mean of its divisors is an integer number (123390540).

Almost surely, 24138659760 is an apocalyptic number.

4138659760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4138659760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4935621600).

4138659760 is an abundant number, since it is smaller than the sum of its proper divisors (5732583440).

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

4138659760 is a wasteful number, since it uses less digits than its factorization.

4138659760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6766 (or 6760 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 4138659760 is about 64332.4160901796. The cubic root of 4138659760 is about 1605.5354831808.

The spelling of 4138659760 in words is "four billion, one hundred thirty-eight million, six hundred fifty-nine thousand, seven hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 40 53 80 106 149 212 265 298 424 530 596 745 848 1060 1192 1490 2120 2384 2980 4240 5960 6551 7897 11920 13102 15794 26204 31588 32755 39485 52408 63176 65510 78970 104816 126352 131020 157940 262040 315880 347203 524080 631760 694406 976099 1388812 1736015 1952198 2777624 3472030 3904396 4880495 5555248 6944060 7808792 9760990 13888120 15617584 19521980 27776240 39043960 51733247 78087920 103466494 206932988 258666235 413865976 517332470 827731952 1034664940 2069329880 4138659760