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40200313421 = 257571273943
BaseRepresentation
bin100101011100001000…
…000001101001001101
310211202121222111212002
4211130020001221031
51124312240012141
630245012122045
72622126011642
oct453410015115
9124677874762
1040200313421
111605a035524
12795b006325
133a38719408
141d35031dc9
1510a43a3e9b
hex95c201a4d

40200313421 has 8 divisors (see below), whose sum is σ = 40427559744. Its totient is φ = 39973616640.

The previous prime is 40200313403. The next prime is 40200313441. The reversal of 40200313421 is 12431300204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40200313421 - 26 = 40200313357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40200313393 and 40200313402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40200313441) 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, 9776 + ... + 283718.

It is an arithmetic number, because the mean of its divisors is an integer number (5053444968).

Almost surely, 240200313421 is an apocalyptic number.

It is an amenable number.

40200313421 is a deficient number, since it is larger than the sum of its proper divisors (227246323).

40200313421 is a wasteful number, since it uses less digits than its factorization.

40200313421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274771.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 40200313421 its reverse (12431300204), we get a palindrome (52631613625).

The spelling of 40200313421 in words is "forty billion, two hundred million, three hundred thirteen thousand, four hundred twenty-one".

Divisors: 1 257 571 146747 273943 70403351 156421453 40200313421