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31553000214 = 2379971913593
BaseRepresentation
bin11101011000101101…
…001001001100010110
310000102222112111011120
4131120231021030112
51004110032001324
622254550144410
72164625035161
oct353055111426
9100388474146
1031553000214
111242193408a
126147052106
132c8b053238
1417547c6ad8
15c4a142179
hex758b49316

31553000214 has 64 divisors (see below), whose sum is σ = 64919715840. Its totient is φ = 10220820480.

The previous prime is 31553000201. The next prime is 31553000233. The reversal of 31553000214 is 41200035513.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8780002 + ... + 8783594.

It is an arithmetic number, because the mean of its divisors is an integer number (1014370560).

Almost surely, 231553000214 is an apocalyptic number.

31553000214 is an abundant number, since it is smaller than the sum of its proper divisors (33366715626).

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

31553000214 is a wasteful number, since it uses less digits than its factorization.

31553000214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3965.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 31553000214 its reverse (41200035513), we get a palindrome (72753035727).

The spelling of 31553000214 in words is "thirty-one billion, five hundred fifty-three million, two hundred fourteen", and thus it is an aban number.

Divisors: 1 2 3 6 79 97 158 191 194 237 291 382 474 573 582 1146 3593 7186 7663 10779 15089 15326 18527 21558 22989 30178 37054 45267 45978 55581 90534 111162 283847 348521 567694 686263 697042 851541 1045563 1372526 1463633 1703082 2058789 2091126 2927266 4117578 4390899 8781798 27533159 54214777 55066318 66567511 82599477 108429554 133135022 162644331 165198954 199702533 325288662 399405066 5258833369 10517666738 15776500107 31553000214