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1213203314 = 2192101127131
BaseRepresentation
bin100100001010000…
…0000001101110010
310010112212010002002
41020110000031302
54441040001224
6320215054002
742031025621
oct11024001562
93115763062
101213203314
11572904674
1229a371302
131644680ab
14b71a96b8
15717979ae
hex48500372

1213203314 has 48 divisors (see below), whose sum is σ = 1969837056. Its totient is φ = 560196000.

The previous prime is 1213203311. The next prime is 1213203331. The reversal of 1213203314 is 4133023121.

It is a super-2 number, since 2×12132033142 = 2943724562201165192, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1213203311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9261029 + ... + 9261159.

It is an arithmetic number, because the mean of its divisors is an integer number (41038272).

Almost surely, 21213203314 is an apocalyptic number.

1213203314 is a deficient number, since it is larger than the sum of its proper divisors (756633742).

1213203314 is a wasteful number, since it uses less digits than its factorization.

1213203314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1213203314 is about 34831.0682293840. The cubic root of 1213203314 is about 1066.5417548824.

Adding to 1213203314 its reverse (4133023121), we get a palindrome (5346226435).

The spelling of 1213203314 in words is "one billion, two hundred thirteen million, two hundred three thousand, three hundred fourteen".

Divisors: 1 2 19 38 101 127 131 202 254 262 361 722 1919 2413 2489 3838 4826 4978 12827 13231 16637 25654 26462 33274 36461 45847 47291 72922 91694 94582 243713 251389 316103 487426 502778 632206 1680337 3360674 4630547 4776391 6005957 9261094 9552782 12011914 31926403 63852806 606601657 1213203314