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4100021420 = 2251118636461
BaseRepresentation
bin1111010001100001…
…0101110010101100
3101120201220200001012
43310120111302230
531344101141140
61514501404352
7203413415135
oct36430256254
911521820035
104100021420
11181439a860
129651096b8
13504571ba1
142ac74cc8c
1518ee31265
hexf4615cac

4100021420 has 24 divisors (see below), whose sum is σ = 9392776848. Its totient is φ = 1490916800.

The previous prime is 4100021411. The next prime is 4100021441. The reversal of 4100021420 is 241200014.

4100021420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 4100021395 and 4100021404.

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, 9318011 + ... + 9318450.

It is an arithmetic number, because the mean of its divisors is an integer number (391365702).

Almost surely, 24100021420 is an apocalyptic number.

It is an amenable number.

4100021420 is an abundant number, since it is smaller than the sum of its proper divisors (5292755428).

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

4100021420 is a wasteful number, since it uses less digits than its factorization.

4100021420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18636481 (or 18636479 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 4100021420 is about 64031.4096362090. The cubic root of 4100021420 is about 1600.5234511265.

Adding to 4100021420 its reverse (241200014), we get a palindrome (4341221434).

The spelling of 4100021420 in words is "four billion, one hundred million, twenty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 18636461 37272922 74545844 93182305 186364610 205001071 372729220 410002142 820004284 1025005355 2050010710 4100021420