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242950048791025 = 52432724972
BaseRepresentation
bin110111001111011000110111…
…010110110011100111110001
31011212012210112121211000102011
4313033120313112303213301
5223320443144442303100
62220413413413322521
7102113363456353522
oct6717306726634761
91155183477730364
10242950048791025
117045859a936504
12232b941b936441
13a57412576a844
1443dcbb8d66849
151d14a4d096bba
hexdcf6375b39f1

242950048791025 has 27 divisors (see below), whose sum is σ = 308431246573281. Its totient is φ = 189837419533440.

The previous prime is 242950048791011. The next prime is 242950048791077. The reversal of 242950048791025 is 520197840059242.

The square root of 242950048791025 is 15586855.

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

It can be written as a sum of positive squares in 4 ways, for example, as 23133012083041 + 219817036707984 = 4809679^2 + 14826228^2 .

It is not a de Polignac number, because 242950048791025 - 235 = 242915689052657 is a prime.

It is a super-2 number, since 2×2429500487910252 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3351137577 + ... + 3351210073.

Almost surely, 2242950048791025 is an apocalyptic number.

242950048791025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

242950048791025 is the 15586855-th square number.

242950048791025 is the 7793428-th centered octagonal number.

It is an amenable number.

242950048791025 is a deficient number, since it is larger than the sum of its proper divisors (65481197782256).

242950048791025 is an frugal number, since it uses more digits than its factorization.

242950048791025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145090 (or 72545 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 58.

The spelling of 242950048791025 in words is "two hundred forty-two trillion, nine hundred fifty billion, forty-eight million, seven hundred ninety-one thousand, twenty-five".

Divisors: 1 5 25 43 215 1075 1849 9245 46225 72497 362485 1812425 3117371 15586855 77934275 134046953 670234765 3351173825 5255815009 26279075045 131395375225 226000045387 1130000226935 5650001134675 9718001951641 48590009758205 242950048791025