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225715141531500 = 223531016469230309
BaseRepresentation
bin110011010100100101100110…
…110101001101011101101100
31002121012011020022011120210020
4303110211212311031131230
5214041104102213002000
62120020034325042140
765354244423664035
oct6324454665153554
91077164208146706
10225715141531500
1165a13288016235
1221395134256350
1398c3b00a452aa
143da4957875a8c
151b1657eb6dba0
hexcd4966d4d76c

225715141531500 has 192 divisors, whose sum is σ = 663895733155200. Its totient is φ = 59585285760000.

The previous prime is 225715141531471. The next prime is 225715141531501. The reversal of 225715141531500 is 5135141517522.

It is not an unprimeable number, because it can be changed into a prime (225715141531501) 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, 979938346 + ... + 980168654.

It is an arithmetic number, because the mean of its divisors is an integer number (3457790276850).

Almost surely, 2225715141531500 is an apocalyptic number.

225715141531500 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 225715141531500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331947866577600).

225715141531500 is an abundant number, since it is smaller than the sum of its proper divisors (438180591623700).

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

225715141531500 is a wasteful number, since it uses less digits than its factorization.

225715141531500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236901 (or 236889 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 42.

The spelling of 225715141531500 in words is "two hundred twenty-five trillion, seven hundred fifteen billion, one hundred forty-one million, five hundred thirty-one thousand, five hundred".