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2021030213432 = 23991492547971
BaseRepresentation
bin11101011010001110110…
…010011011011100111000
321011012122001220101100212
4131122032302123130320
5231103032213312212
64144240511250252
7266005004240456
oct35321662333470
97135561811325
102021030213432
1170a12895a46a
12287832b19988
131187754c7349
146db659099d6
15378893e6e22
hex1d68ec9b738

2021030213432 has 16 divisors (see below), whose sum is σ = 3789471357000. Its totient is φ = 1010504518240.

The previous prime is 2021030213431. The next prime is 2021030213467. The reversal of 2021030213432 is 2343120301202.

It is a junction number, because it is equal to n+sod(n) for n = 2021030213398 and 2021030213407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021030213431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480794 + ... + 2067177.

Almost surely, 22021030213432 is an apocalyptic number.

It is an amenable number.

2021030213432 is a deficient number, since it is larger than the sum of its proper divisors (1768441143568).

2021030213432 is a wasteful number, since it uses less digits than its factorization.

2021030213432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647126 (or 2647122 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2021030213432 its reverse (2343120301202), we get a palindrome (4364150514634).

The spelling of 2021030213432 in words is "two trillion, twenty-one billion, thirty million, two hundred thirteen thousand, four hundred thirty-two".

Divisors: 1 2 4 8 99149 198298 396596 793192 2547971 5095942 10191884 20383768 252628776679 505257553358 1010515106716 2021030213432