Search a number
-
+
214020110423440 = 2456739929125079
BaseRepresentation
bin110000101010011001110000…
…101010000001010110010000
31001001210010022110212101001201
4300222121300222001112100
5211023001141232022230
62035103251552440544
763036304564526326
oct6052316052012620
91031703273771051
10214020110423440
11622144679287a2
1220006645b49154
139256018740769
143abc8b2cbdd16
1519b224a76b5ca
hexc2a670a81590

214020110423440 has 40 divisors (see below), whose sum is σ = 505023574011840. Its totient is φ = 84330312164736.

The previous prime is 214020110423407. The next prime is 214020110423447. The reversal of 214020110423440 is 44324011020412.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2140201104234402 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 214020110423399 and 214020110423408.

It is not an unprimeable number, because it can be changed into a prime (214020110423447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19964557180 + ... + 19964567899.

It is an arithmetic number, because the mean of its divisors is an integer number (12625589350296).

Almost surely, 2214020110423440 is an apocalyptic number.

214020110423440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214020110423440 is an abundant number, since it is smaller than the sum of its proper divisors (291003463588400).

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

214020110423440 is a wasteful number, since it uses less digits than its factorization.

214020110423440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39929125159 (or 39929125153 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 214020110423440 its reverse (44324011020412), we get a palindrome (258344121443852).

The spelling of 214020110423440 in words is "two hundred fourteen trillion, twenty billion, one hundred ten million, four hundred twenty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 67 80 134 268 335 536 670 1072 1340 2680 5360 39929125079 79858250158 159716500316 199645625395 319433000632 399291250790 638866001264 798582501580 1597165003160 2675251380293 3194330006320 5350502760586 10701005521172 13376256901465 21402011042344 26752513802930 42804022084688 53505027605860 107010055211720 214020110423440