Search a number
-
+
38464632213780 = 22351785734398743
BaseRepresentation
bin10001011111011101111101…
…01111010101000100010100
312001012011221100120011210210
420233232332233111010110
520020201031321320110
6213450224052045420
711046656305145553
oct1057567657250424
9161164840504723
1038464632213780
111128a8391284a3
124392853603870
1318602789b7706
1496d9ab965d9a
1546a847893520
hex22fbbebd5114

38464632213780 has 96 divisors (see below), whose sum is σ = 114049649113344. Its totient is φ = 9652740204544.

The previous prime is 38464632213737. The next prime is 38464632213793. The reversal of 38464632213780 is 8731223646483.

It is a self number, because there is not a number n which added to its sum of digits gives 38464632213780.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6545089 + ... + 10943831.

It is an arithmetic number, because the mean of its divisors is an integer number (1188017178264).

Almost surely, 238464632213780 is an apocalyptic number.

38464632213780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38464632213780 is an abundant number, since it is smaller than the sum of its proper divisors (75585016899564).

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

38464632213780 is a wasteful number, since it uses less digits than its factorization.

38464632213780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407345 (or 4407343 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 57.

The spelling of 38464632213780 in words is "thirty-eight trillion, four hundred sixty-four billion, six hundred thirty-two million, two hundred thirteen thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 8573 17146 25719 34292 42865 51438 85730 102876 128595 145741 171460 257190 291482 437223 514380 582964 728705 874446 1457410 1748892 2186115 2914820 4372230 4398743 8744460 8797486 13196229 17594972 21993715 26392458 43987430 52784916 65981145 74778631 87974860 131962290 149557262 224335893 263924580 299114524 373893155 448671786 747786310 897343572 1121679465 1495572620 2243358930 4486717860 37710423739 75420847478 113131271217 150841694956 188552118695 226262542434 377104237390 452525084868 565656356085 641077203563 754208474780 1131312712170 1282154407126 1923231610689 2262625424340 2564308814252 3205386017815 3846463221378 6410772035630 7692926442756 9616158053445 12821544071260 19232316106890 38464632213780