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31550604164214 = 23191123246446737
BaseRepresentation
bin1110010110001111100101…
…00011011011110001110110
311010201012121211222210022220
413023013302203123301312
513113411114131223324
6151034051503503210
76434312245332222
oct713076243336166
9133635554883286
1031550604164214
11a064599589a63
1236568755b7b06
13147b29481b695
147b10b3695782
1539aa84aa9b79
hex1cb1f28dbc76

31550604164214 has 32 divisors (see below), whose sum is σ = 66481472042880. Its totient is φ = 9954476560512.

The previous prime is 31550604164213. The next prime is 31550604164227. The reversal of 31550604164214 is 41246140605513.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31550604164213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123095347 + ... + 123351390.

It is an arithmetic number, because the mean of its divisors is an integer number (2077546001340).

Almost surely, 231550604164214 is an apocalyptic number.

31550604164214 is an abundant number, since it is smaller than the sum of its proper divisors (34930867878666).

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

31550604164214 is a wasteful number, since it uses less digits than its factorization.

31550604164214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246447884.

The product of its (nonzero) digits is 345600, while the sum is 42.

Adding to 31550604164214 its reverse (41246140605513), we get a palindrome (72796744769727).

The spelling of 31550604164214 in words is "thirty-one trillion, five hundred fifty billion, six hundred four million, one hundred sixty-four thousand, two hundred fourteen".

Divisors: 1 2 3 6 19 38 57 114 1123 2246 3369 6738 21337 42674 64011 128022 246446737 492893474 739340211 1478680422 4682488003 9364976006 14047464009 28094928018 276759685651 553519371302 830279056953 1660558113906 5258434027369 10516868054738 15775302082107 31550604164214