Search a number
-
+
253142243333240 = 23529233936592583
BaseRepresentation
bin111001100011101101000101…
…011111011101010001111000
31020012022011101011222121120212
4321203231011133131101320
5231134440303243130430
62254215535142410252
7104214631526501342
oct7143550537352170
91205264334877525
10253142243333240
1173728027a58768
12244847b5130988
13ab33298a98151
144672215670292
151e3ec26090b95
hexe63b457dd478

253142243333240 has 64 divisors (see below), whose sum is σ = 591739194571200. Its totient is φ = 97345686602752.

The previous prime is 253142243333191. The next prime is 253142243333251. The reversal of 253142243333240 is 42333342241352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468026012 + ... + 468566571.

It is an arithmetic number, because the mean of its divisors is an integer number (9245924915175).

Almost surely, 2253142243333240 is an apocalyptic number.

253142243333240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253142243333240 is an abundant number, since it is smaller than the sum of its proper divisors (338596951237960).

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

253142243333240 is a wasteful number, since it uses less digits than its factorization.

253142243333240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936592856 (or 936592852 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 41.

Adding to 253142243333240 its reverse (42333342241352), we get a palindrome (295475585574592).

The spelling of 253142243333240 in words is "two hundred fifty-three trillion, one hundred forty-two billion, two hundred forty-three million, three hundred thirty-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 232 233 290 466 580 932 1160 1165 1864 2330 4660 6757 9320 13514 27028 33785 54056 67570 135140 270280 936592583 1873185166 3746370332 4682962915 7492740664 9365925830 18731851660 27161184907 37463703320 54322369814 108644739628 135805924535 217289479256 218226071839 271611849070 436452143678 543223698140 872904287356 1086447396280 1091130359195 1745808574712 2182260718390 4364521436780 6328556083331 8729042873560 12657112166662 25314224333324 31642780416655 50628448666648 63285560833310 126571121666620 253142243333240