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242759853460 = 225171814678447
BaseRepresentation
bin1110001000010110011…
…1010110010110010100
3212012121100111022012201
43202011213112112110
512434133010302320
6303304454054244
723352546464545
oct3420547262624
9765540438181
10242759853460
1193a54676a73
123b06b94a384
1319b7a0b3507
14ba6d0224cc
1564ac3b570a
hex38859d6594

242759853460 has 96 divisors (see below), whose sum is σ = 543992537088. Its totient is φ = 90681661440.

The previous prime is 242759853449. The next prime is 242759853463. The reversal of 242759853460 is 64358957242.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242759853463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28734957 + ... + 28743403.

It is an arithmetic number, because the mean of its divisors is an integer number (5666588928).

Almost surely, 2242759853460 is an apocalyptic number.

242759853460 is a gapful number since it is divisible by the number (20) 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 242759853460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271996268544).

242759853460 is an abundant number, since it is smaller than the sum of its proper divisors (301232683628).

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

242759853460 is a wasteful number, since it uses less digits than its factorization.

242759853460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9121 (or 9119 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 55.

The spelling of 242759853460 in words is "two hundred forty-two billion, seven hundred fifty-nine million, eight hundred fifty-three thousand, four hundred sixty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 181 340 362 467 724 905 934 1810 1868 2335 3077 3620 4670 6154 7939 8447 9340 12308 15385 15878 16894 30770 31756 33788 39695 42235 61540 79390 84470 84527 143599 158780 168940 169054 287198 338108 422635 574396 717995 845270 1435990 1436959 1528907 1690540 2871980 2873918 3057814 3944749 5747836 6115628 7184795 7644535 7889498 14369590 15289070 15778996 19723745 25991419 28739180 30578140 39447490 51982838 67060733 78894980 103965676 129957095 134121466 259914190 268242932 335303665 519828380 670607330 713999569 1341214660 1427999138 2855998276 3569997845 7139995690 12137992673 14279991380 24275985346 48551970692 60689963365 121379926730 242759853460