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420142223204 = 221144832129977
BaseRepresentation
bin1100001110100100110…
…11011000111101100100
31111011110102201022210122
412013102123120331210
523340422402120304
6521002145541112
742232341654554
oct6072233307544
91434412638718
10420142223204
111521aa371860
1269514944798
1330808621202
141649930b164
15addeda99be
hex61d26d8f64

420142223204 has 24 divisors (see below), whose sum is σ = 802268993568. Its totient is φ = 190931048640.

The previous prime is 420142223159. The next prime is 420142223239. The reversal of 420142223204 is 402322241024.

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, 867737 + ... + 1262240.

It is an arithmetic number, because the mean of its divisors is an integer number (33427874732).

Almost surely, 2420142223204 is an apocalyptic number.

420142223204 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

420142223204 is a deficient number, since it is larger than the sum of its proper divisors (382126770364).

420142223204 is a wasteful number, since it uses less digits than its factorization.

420142223204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134475 (or 2134473 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 420142223204 its reverse (402322241024), we get a palindrome (822464464228).

It can be divided in two parts, 420142 and 223204, that added together give a palindrome (643346).

The spelling of 420142223204 in words is "four hundred twenty billion, one hundred forty-two million, two hundred twenty-three thousand, two hundred four".

Divisors: 1 2 4 11 22 44 4483 8966 17932 49313 98626 197252 2129977 4259954 8519908 23429747 46859494 93718988 9548686891 19097373782 38194747564 105035555801 210071111602 420142223204