Search a number
-
+
250042531052512 = 251171211153130971
BaseRepresentation
bin111000110110100110010000…
…001111011111101111100000
31012210022211110220110122112101
4320312212100033133233200
5230233144100422140022
62243443541502540144
7103444656005026402
oct7066462017375740
91183284426418471
10250042531052512
1172742495202710
1224063b01897654
13a969ba9246903
1445a61a1a10b72
151dd92a79e7627
hexe369903dfbe0

250042531052512 has 192 divisors, whose sum is σ = 547542921332736. Its totient is φ = 111447403200000.

The previous prime is 250042531052497. The next prime is 250042531052579. The reversal of 250042531052512 is 215250135240052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8073425187 + ... + 8073456157.

It is an arithmetic number, because the mean of its divisors is an integer number (2851786048608).

Almost surely, 2250042531052512 is an apocalyptic number.

250042531052512 is a gapful number since it is divisible by the number (22) 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 250042531052512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273771460666368).

250042531052512 is an abundant number, since it is smaller than the sum of its proper divisors (297500390280224).

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

250042531052512 is a wasteful number, since it uses less digits than its factorization.

250042531052512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32805 (or 32797 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 250042531052512 its reverse (215250135240052), we get a palindrome (465292666292564).

The spelling of 250042531052512 in words is "two hundred fifty trillion, forty-two billion, five hundred thirty-one million, fifty-two thousand, five hundred twelve".