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4200111230420 = 2257130323024401
BaseRepresentation
bin111101000111101010001…
…000110100110111010100
3112212112012222021110212202
4331013222020310313110
51022303311433333140
612533300544104032
7612306446255060
oct75075210646724
915775188243782
104200111230420
11137a291324936
1257a014905018
132460b8191011
141074020d6aa0
15743c40a1915
hex3d1ea234dd4

4200111230420 has 48 divisors (see below), whose sum is σ = 10088003589888. Its totient is φ = 1438932902400.

The previous prime is 4200111230353. The next prime is 4200111230473. The reversal of 4200111230420 is 240321110024.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4200111230392 and 4200111230401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11329781 + ... + 11694620.

It is an arithmetic number, because the mean of its divisors is an integer number (210166741456).

Almost surely, 24200111230420 is an apocalyptic number.

It is an amenable number.

4200111230420 is an abundant number, since it is smaller than the sum of its proper divisors (5887892359468).

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

4200111230420 is a wasteful number, since it uses less digits than its factorization.

4200111230420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23025720 (or 23025718 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 4200111230420 its reverse (240321110024), we get a palindrome (4440432340444).

The spelling of 4200111230420 in words is "four trillion, two hundred billion, one hundred eleven million, two hundred thirty thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1303 2606 5212 6515 9121 13030 18242 26060 36484 45605 91210 182420 23024401 46048802 92097604 115122005 161170807 230244010 322341614 460488020 644683228 805854035 1611708070 3223416140 30000794503 60001589006 120003178012 150003972515 210005561521 300007945030 420011123042 600015890060 840022246084 1050027807605 2100055615210 4200111230420