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131240211201304 = 23143978179145823
BaseRepresentation
bin11101110101110010111110…
…001010110011110100011000
3122012200102220222012001222021
4131311302332022303310120
5114200214423031420204
61143042530512104224
736433535531034532
oct3565627612636430
9565612828161867
10131240211201304
11388a972a885a97
1212877295235074
13582cb8b8cc01a
14245a0bad50852
151028cd4589154
hex775cbe2b3d18

131240211201304 has 32 divisors (see below), whose sum is σ = 246251238912000. Its totient is φ = 65573215961632.

The previous prime is 131240211201299. The next prime is 131240211201317. The reversal of 131240211201304 is 403102112042131.

It is a super-2 number, since 2×1312402112013042 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 899923737 + ... + 900069559.

It is an arithmetic number, because the mean of its divisors is an integer number (7695351216000).

Almost surely, 2131240211201304 is an apocalyptic number.

It is an amenable number.

131240211201304 is a deficient number, since it is larger than the sum of its proper divisors (115011027710696).

131240211201304 is a wasteful number, since it uses less digits than its factorization.

131240211201304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225447 (or 225443 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 131240211201304 its reverse (403102112042131), we get a palindrome (534342323243435).

The spelling of 131240211201304 in words is "one hundred thirty-one trillion, two hundred forty billion, two hundred eleven million, two hundred one thousand, three hundred four".

Divisors: 1 2 4 8 1439 2878 5756 11512 78179 145823 156358 291646 312716 583292 625432 1166584 112499581 209839297 224999162 419678594 449998324 839357188 899996648 1678714376 11400296317 22800592634 45601185268 91202370536 16405026400163 32810052800326 65620105600652 131240211201304