Search a number
-
+
245311451045212 = 2287238370299241
BaseRepresentation
bin110111110001110000000101…
…111001100001110101011100
31012011120112201210202120222211
4313301300011321201311130
5224123140322431421322
62225422305211050204
7102446111304343456
oct6761600571416534
91164515653676884
10245311451045212
1171189002949a02
122361b004740964
13a6b5a02c484a6
1444811cd7492d6
151d561a9123b77
hexdf1c05e61d5c

245311451045212 has 12 divisors (see below), whose sum is σ = 429295537530496. Its totient is φ = 122655583179360.

The previous prime is 245311451045153. The next prime is 245311451045231. The reversal of 245311451045212 is 212540154113542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31660089 + ... + 38639152.

Almost surely, 2245311451045212 is an apocalyptic number.

It is an amenable number.

245311451045212 is a deficient number, since it is larger than the sum of its proper divisors (183984086485284).

245311451045212 is a wasteful number, since it uses less digits than its factorization.

245311451045212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71171628 (or 71171626 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 245311451045212 in words is "two hundred forty-five trillion, three hundred eleven billion, four hundred fifty-one million, forty-five thousand, two hundred twelve".

Divisors: 1 2 4 872383 1744766 3489532 70299241 140598482 281196964 61327862761303 122655725522606 245311451045212