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250050002500 = 22547321372
BaseRepresentation
bin1110100011100000100…
…1000011111001000100
3212220102102012020122201
43220320021003321010
513044100300040000
6310512115204244
724031320644434
oct3507011037104
9786372166581
10250050002500
1197055786931
12405652a6684
131a76c54847c
14c16130a2c4
1567873e496a
hex3a38243e44

250050002500 has 135 divisors (see below), whose sum is σ = 558478766307. Its totient is φ = 97929792000.

The previous prime is 250050002443. The next prime is 250050002513. The reversal of 250050002500 is 5200050052.

The square root of 250050002500 is 500050.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 22 ways, for example, as 245970370116 + 4079632384 = 495954^2 + 63872^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1825182432 + ... + 1825182568.

Almost surely, 2250050002500 is an apocalyptic number.

250050002500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

250050002500 is the 500050-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250050002500

250050002500 is an abundant number, since it is smaller than the sum of its proper divisors (308428763807).

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

250050002500 is an frugal number, since it uses more digits than its factorization.

250050002500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

Adding to 250050002500 its reverse (5200050052), we get a palindrome (255250052552).

It can be divided in two parts, 2500 and 50002500, that added together give a triangular number (50005000 = T10000).

The spelling of 250050002500 in words is "two hundred fifty billion, fifty million, two thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 73 100 125 137 146 250 274 292 365 500 548 625 685 730 1250 1370 1460 1825 2500 2740 3425 3650 5329 6850 7300 9125 10001 10658 13700 17125 18250 18769 20002 21316 26645 34250 36500 37538 40004 45625 50005 53290 68500 75076 85625 91250 93845 100010 106580 133225 171250 182500 187690 200020 250025 266450 342500 375380 469225 500050 532900 666125 730073 938450 1000100 1250125 1332250 1370137 1460146 1876900 2346125 2500250 2664500 2740274 2920292 3330625 3650365 4692250 5000500 5480548 6250625 6661250 6850685 7300730 9384500 11730625 12501250 13322500 13701370 14601460 18251825 23461250 25002500 27402740 34253425 36503650 46922500 68506850 73007300 91259125 100020001 137013700 171267125 182518250 200040002 342534250 365036500 400080004 456295625 500100005 685068500 856335625 912591250 1000200010 1712671250 1825182500 2000400020 2500500025 3425342500 5001000050 10002000100 12502500125 25005000250 50010000500 62512500625 125025001250 250050002500