Search a number
-
+
215369485312 = 210316784573
BaseRepresentation
bin1100100010010100000…
…1011000110000000000
3202120220110200102202011
43020211001120300000
512012034042012222
6242534523302304
721363025264042
oct3104501306000
9676813612664
10215369485312
1183379506a83
12358a697a994
1317403584497
14a5d1405a92
155907920c77
hex3225058c00

215369485312 has 44 divisors (see below), whose sum is σ = 444416735296. Its totient is φ = 104211025920.

The previous prime is 215369485291. The next prime is 215369485321. The reversal of 215369485312 is 213584963512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3360543 + ... + 3424030.

Almost surely, 2215369485312 is an apocalyptic number.

It is an amenable number.

215369485312 is an abundant number, since it is smaller than the sum of its proper divisors (229047249984).

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

215369485312 is an equidigital number, since it uses as much as digits as its factorization.

215369485312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6784624 (or 6784606 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 49.

The spelling of 215369485312 in words is "two hundred fifteen billion, three hundred sixty-nine million, four hundred eighty-five thousand, three hundred twelve".

Divisors: 1 2 4 8 16 31 32 62 64 124 128 248 256 496 512 992 1024 1984 3968 7936 15872 31744 6784573 13569146 27138292 54276584 108553168 210321763 217106336 420643526 434212672 841287052 868425344 1682574104 1736850688 3365148208 3473701376 6730296416 6947402752 13460592832 26921185664 53842371328 107684742656 215369485312