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253503200253020 = 225174118185308483
BaseRepresentation
bin111001101000111101010000…
…001100110101010001011100
31020020120200001220010000020112
4321220331100030311101130
5231211344023231044040
62255053432410105152
7104253000423625214
oct7150752014652134
91206520056100215
10253503200253020
1173857115801013
1224522750a1b1b8
13ab5b331689553
14468589839b244
151e492eeec4365
hexe68f5033545c

253503200253020 has 48 divisors (see below), whose sum is σ = 577419914983968. Its totient is φ = 93108779427840.

The previous prime is 253503200253019. The next prime is 253503200253053. The reversal of 253503200253020 is 20352002305352.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9092640302 + ... + 9092668181.

It is an arithmetic number, because the mean of its divisors is an integer number (12029581562166).

Almost surely, 2253503200253020 is an apocalyptic number.

253503200253020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253503200253020 is an abundant number, since it is smaller than the sum of its proper divisors (323916714730948).

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

253503200253020 is a wasteful number, since it uses less digits than its factorization.

253503200253020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18185308550 (or 18185308548 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 32.

Adding to 253503200253020 its reverse (20352002305352), we get a palindrome (273855202558372).

The spelling of 253503200253020 in words is "two hundred fifty-three trillion, five hundred three billion, two hundred million, two hundred fifty-three thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 41 68 82 85 164 170 205 340 410 697 820 1394 2788 3485 6970 13940 18185308483 36370616966 72741233932 90926542415 181853084830 309150244211 363706169660 618300488422 745597647803 1236600976844 1491195295606 1545751221055 2982390591212 3091502442110 3727988239015 6183004884220 7455976478030 12675160012651 14911952956060 25350320025302 50700640050604 63375800063255 126751600126510 253503200253020