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2021003012430 = 232553423690359
BaseRepresentation
bin11101011010001101001…
…010101010100101001110
321011012120011201102121100
4131122031022222211032
5231103003232344210
64144234100243530
7266004224110323
oct35321512524516
97135504642540
102021003012430
1170a1145709a6
122878259a05a6
1311876c99238c
146db62068b4a
1537886d225c0
hex1d68d2aa94e

2021003012430 has 48 divisors (see below), whose sum is σ = 5353751388960. Its totient is φ = 528765566784.

The previous prime is 2021003012423. The next prime is 2021003012437. The reversal of 2021003012430 is 342103001202.

2021003012430 is a `hidden beast` number, since 20 + 2 + 100 + 301 + 243 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2021003012423) and next prime (2021003012437).

It is a super-2 number, since 2×20210030124302 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021003012437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211840410 + ... + 211849949.

It is an arithmetic number, because the mean of its divisors is an integer number (111536487270).

Almost surely, 22021003012430 is an apocalyptic number.

2021003012430 is an abundant number, since it is smaller than the sum of its proper divisors (3332748376530).

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

2021003012430 is a wasteful number, since it uses less digits than its factorization.

2021003012430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423690425 (or 423690422 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2021003012430 its reverse (342103001202), we get a palindrome (2363106013632).

The spelling of 2021003012430 in words is "two trillion, twenty-one billion, three million, twelve thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 53 90 106 159 265 318 477 530 795 954 1590 2385 4770 423690359 847380718 1271071077 2118451795 2542142154 3813213231 4236903590 6355355385 7626426462 12710710770 19066066155 22455589027 38132132310 44911178054 67366767081 112277945135 134733534162 202100301243 224555890270 336833835405 404200602486 673667670810 1010501506215 2021003012430