Search a number
-
+
212695245984 = 25313170428883
BaseRepresentation
bin1100011000010110011…
…1111110010010100000
3202100000002122000001010
43012011213332102200
511441044440332414
6241413313140520
721236533521654
oct3060547762240
9670002560033
10212695245984
1182226a15431
123527b25a740
131709851a250
14a41a19aa64
1557ecc78959
hex31859fe4a0

212695245984 has 48 divisors (see below), whose sum is σ = 601273102752. Its totient is φ = 65444690688.

The previous prime is 212695245953. The next prime is 212695246013. The reversal of 212695245984 is 489542596212.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85213194 + ... + 85215689.

It is an arithmetic number, because the mean of its divisors is an integer number (12526522974).

Almost surely, 2212695245984 is an apocalyptic number.

212695245984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212695245984 is an abundant number, since it is smaller than the sum of its proper divisors (388577856768).

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

212695245984 is a wasteful number, since it uses less digits than its factorization.

212695245984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170428909 (or 170428901 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 57.

The spelling of 212695245984 in words is "two hundred twelve billion, six hundred ninety-five million, two hundred forty-five thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 156 208 312 416 624 1248 170428883 340857766 511286649 681715532 1022573298 1363431064 2045146596 2215575479 2726862128 4090293192 4431150958 5453724256 6646726437 8180586384 8862301916 13293452874 16361172768 17724603832 26586905748 35449207664 53173811496 70898415328 106347622992 212695245984