Base | Representation |
---|---|
bin | 11100111110111001… |
… | …100010100011100110 |
3 | 2222022210211221110002 |
4 | 130332321202203212 |
5 | 1002213212322324 |
6 | 22144002301302 |
7 | 2151116665022 |
oct | 347671424346 |
9 | 88283757402 |
10 | 31120042214 |
11 | 1221a4a8358 |
12 | 6046057832 |
13 | 2c1c442481 |
14 | 17130c3382 |
15 | c2211d3ae |
hex | 73ee628e6 |
31120042214 has 16 divisors (see below), whose sum is σ = 48657241968. Its totient is φ = 14913515232.
The previous prime is 31120042181. The next prime is 31120042231. The reversal of 31120042214 is 41224002113.
It is a super-2 number, since 2×311200422142 (a number of 22 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, 3133409 + ... + 3143324.
It is an arithmetic number, because the mean of its divisors is an integer number (3041077623).
Almost surely, 231120042214 is an apocalyptic number.
31120042214 is a deficient number, since it is larger than the sum of its proper divisors (17537199754).
31120042214 is a wasteful number, since it uses less digits than its factorization.
31120042214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6276839.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 31120042214 its reverse (41224002113), we get a palindrome (72344044327).
The spelling of 31120042214 in words is "thirty-one billion, one hundred twenty million, forty-two thousand, two hundred fourteen".
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