Search a number
-
+
225734125154420 = 2251719412048341609
BaseRepresentation
bin110011010100110111010010…
…010101111111000001110100
31002121020222020022012112210102
4303110313102111333001310
5214041411442014420140
62120032454150013232
765355516025060331
oct6324672225770164
91077228208175712
10225734125154420
1165a203398560a3
1221398951947218
1398c583799a66c
143da5838b89988
151b16ce1570e15
hexcd4dd257f074

225734125154420 has 192 divisors, whose sum is σ = 541269510969600. Its totient is φ = 78540139560960.

The previous prime is 225734125154407. The next prime is 225734125154423. The reversal of 225734125154420 is 24451521437522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225734125154423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5425106576 + ... + 5425148184.

It is an arithmetic number, because the mean of its divisors is an integer number (2819112036300).

Almost surely, 2225734125154420 is an apocalyptic number.

225734125154420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225734125154420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270634755484800).

225734125154420 is an abundant number, since it is smaller than the sum of its proper divisors (315535385815180).

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

225734125154420 is a wasteful number, since it uses less digits than its factorization.

225734125154420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62178 (or 62176 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 47.

The spelling of 225734125154420 in words is "two hundred twenty-five trillion, seven hundred thirty-four billion, one hundred twenty-five million, one hundred fifty-four thousand, four hundred twenty".