Search a number
-
+
297855120550 = 25213458238647
BaseRepresentation
bin1000101010110011000…
…11000111010010100110
31001110211000221212021111
410111121203013102212
514340001402324200
6344455512535234
730343061515441
oct4253143072246
91043730855244
10297855120550
111053574a5659
12498870b151a
132211a659280
14105b8332658
157b3422e0ba
hex45598c74a6

297855120550 has 24 divisors (see below), whose sum is σ = 596626719696. Its totient is φ = 109977275040.

The previous prime is 297855120457. The next prime is 297855120571. The reversal of 297855120550 is 55021558792.

It is a junction number, because it is equal to n+sod(n) for n = 297855120494 and 297855120503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229118674 + ... + 229119973.

It is an arithmetic number, because the mean of its divisors is an integer number (24859446654).

Almost surely, 2297855120550 is an apocalyptic number.

297855120550 is an abundant number, since it is smaller than the sum of its proper divisors (298771599146).

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

297855120550 is a wasteful number, since it uses less digits than its factorization.

297855120550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458238672 (or 458238667 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 49.

The spelling of 297855120550 in words is "two hundred ninety-seven billion, eight hundred fifty-five million, one hundred twenty thousand, five hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 458238647 916477294 2291193235 4582386470 5957102411 11455966175 11914204822 22911932350 29785512055 59571024110 148927560275 297855120550