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31441032400120 = 2357200475601307
BaseRepresentation
bin1110010011000011011111…
…00100010100110011111000
311010022201210121101110011221
413021201233210110303320
513110112213243300440
6150511451052401424
76423353043604030
oct711415744246370
9133281717343157
1031441032400120
11a02208113a922
123639596176274
131470b51c6b105
147a9a7b3068c0
15397cc03a1d4a
hex1c986f914cf8

31441032400120 has 64 divisors (see below), whose sum is σ = 80852416404480. Its totient is φ = 10779242887296.

The previous prime is 31441032400117. The next prime is 31441032400139. The reversal of 31441032400120 is 2100423014413.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2812507 + ... + 8413813.

It is an arithmetic number, because the mean of its divisors is an integer number (1263319006320).

Almost surely, 231441032400120 is an apocalyptic number.

It is an amenable number.

31441032400120 is an abundant number, since it is smaller than the sum of its proper divisors (49411384004360).

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

31441032400120 is a wasteful number, since it uses less digits than its factorization.

31441032400120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5621372 (or 5621368 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 31441032400120 its reverse (2100423014413), we get a palindrome (33541455414533).

The spelling of 31441032400120 in words is "thirty-one trillion, four hundred forty-one billion, thirty-two million, four hundred thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 20047 40094 80188 100235 140329 160376 200470 280658 400940 561316 701645 801880 1122632 1403290 2806580 5601307 5613160 11202614 22405228 28006535 39209149 44810456 56013070 78418298 112026140 156836596 196045745 224052280 313673192 392091490 784182980 1568365960 112289401429 224578802858 449157605716 561447007145 786025810003 898315211432 1122894014290 1572051620006 2245788028580 3144103240012 3930129050015 4491576057160 6288206480024 7860258100030 15720516200060 31441032400120