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1238350547344 = 243727321032
BaseRepresentation
bin10010000001010011011…
…100011100100110010000
311101101101210000202210211
4102001103130130212100
5130242120220003334
62344520153533504
7155316323655661
oct22012334344620
94341353022724
101238350547344
114381aa666a19
12180001114294
138ca11a0b281
1443d17a0b368
152232b9a5a64
hex1205371c990

1238350547344 has 135 divisors (see below), whose sum is σ = 2524653980163. Its totient is φ = 588419375616.

The previous prime is 1238350547341. The next prime is 1238350547359. The reversal of 1238350547344 is 4437450538321.

The square root of 1238350547344 is 1112812.

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 308900300944 + 929450246400 = 555788^2 + 964080^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1238350547341) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 12022820797 + ... + 12022820899.

Almost surely, 21238350547344 is an apocalyptic number.

1238350547344 is the 1112812-nd square number.

It is an amenable number.

1238350547344 is an abundant number, since it is smaller than the sum of its proper divisors (1286303432819).

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

1238350547344 is an frugal number, since it uses more digits than its factorization.

1238350547344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 49.

Multiplying 1238350547344 by its sum of digits (49), we get a square (60679176819856 = 77896842).

The spelling of 1238350547344 in words is "one trillion, two hundred thirty-eight billion, three hundred fifty million, five hundred forty-seven thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 37 73 74 103 146 148 206 292 296 412 584 592 824 1168 1369 1648 2701 2738 3811 5329 5402 5476 7519 7622 10609 10658 10804 10952 15038 15244 21218 21316 21608 21904 30076 30488 42436 42632 43216 60152 60976 84872 85264 99937 120304 141007 169744 197173 199874 278203 282014 392533 394346 399748 548887 556406 564028 774457 785066 788692 799496 1097774 1112812 1128056 1548914 1570132 1577384 1598992 2195548 2225624 2256112 3097828 3140264 3154768 4391096 4451248 6195656 6280528 7295401 8782192 10293511 12391312 14523721 14590802 20308819 20587022 28654909 29047442 29181604 40617638 41174044 56535361 57309818 58094884 58363208 81235276 82348088 113070722 114619636 116189768 116726416 162470552 164696176 226141444 229239272 232379536 324941104 452282888 458478544 751426303 904565776 1060231633 1502852606 2091808357 2120463266 3005705212 4183616714 4240926532 6011410424 8367233428 8481853064 12022820848 16734466856 16963706128 33468933712 77396909209 154793818418 309587636836 619175273672 1238350547344