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242123120300 = 225259107421911
BaseRepresentation
bin1110000101111110101…
…0011001111010101100
3212010221222100220112002
43201133222121322230
512431332004322200
6303121350431432
723331015364625
oct3413752317254
9763858326462
10242123120300
1193758209a16
123ab12662578
1319aa81c6029
14ba0c636a4c
15647153dbd5
hex385fa99eac

242123120300 has 144 divisors (see below), whose sum is σ = 541180362240. Its totient is φ = 93990624000.

The previous prime is 242123120293. The next prime is 242123120399. The reversal of 242123120300 is 3021321242.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 265776845 + ... + 265777755.

It is an arithmetic number, because the mean of its divisors is an integer number (3758196960).

Almost surely, 2242123120300 is an apocalyptic number.

242123120300 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 242123120300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270590181120).

242123120300 is an abundant number, since it is smaller than the sum of its proper divisors (299057241940).

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

242123120300 is a wasteful number, since it uses less digits than its factorization.

242123120300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512 (or 1505 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 242123120300 its reverse (3021321242), we get a palindrome (245144441542).

The spelling of 242123120300 in words is "two hundred forty-two billion, one hundred twenty-three million, one hundred twenty thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 59 100 107 118 214 236 295 421 428 535 590 842 911 1070 1180 1475 1684 1822 2105 2140 2675 2950 3644 4210 4555 5350 5900 6313 8420 9110 10525 10700 12626 18220 21050 22775 24839 25252 31565 42100 45047 45550 49678 53749 63130 90094 91100 97477 99356 107498 124195 126260 157825 180188 194954 214996 225235 248390 268745 315650 383531 389908 450470 487385 496780 537490 620975 631300 767062 900940 974770 1074980 1126175 1241950 1343725 1534124 1917655 1949540 2252350 2436925 2483900 2657773 2687450 3835310 4504700 4873850 5315546 5374900 5751143 7670620 9588275 9747700 10631092 11502286 13288865 19176550 22628329 23004572 26577730 28755715 38353100 41037817 45256658 53155460 57511430 66444325 82075634 90513316 113141645 115022860 132888650 143778575 164151268 205189085 226283290 265777300 287557150 410378170 452566580 565708225 575114300 820756340 1025945425 1131416450 2051890850 2262832900 2421231203 4103781700 4842462406 9684924812 12106156015 24212312030 48424624060 60530780075 121061560150 242123120300