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2021130302154 = 237123771995977
BaseRepresentation
bin11101011010010100110…
…000001111001011001010
321011012220001020102021120
4131122110300033023022
5231103233324132104
64144254444420110
7266010331052355
oct35322460171312
97135801212246
102021130302154
1170a17a401617
12287860547636
1311879016c342
146db74d2129c
15378930b7cd9
hex1d694c0f2ca

2021130302154 has 32 divisors (see below), whose sum is σ = 4100920430976. Its totient is φ = 663941456640.

The previous prime is 2021130302153. The next prime is 2021130302207. The reversal of 2021130302154 is 4512030311202.

It is not an unprimeable number, because it can be changed into a prime (2021130302153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14614 + ... + 2010590.

It is an arithmetic number, because the mean of its divisors is an integer number (128153763468).

Almost surely, 22021130302154 is an apocalyptic number.

2021130302154 is an abundant number, since it is smaller than the sum of its proper divisors (2079790128822).

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

2021130302154 is a wasteful number, since it uses less digits than its factorization.

2021130302154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998430.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 2021130302154 its reverse (4512030311202), we get a palindrome (6533160613356).

The spelling of 2021130302154 in words is "two trillion, twenty-one billion, one hundred thirty million, three hundred two thousand, one hundred fifty-four".

Divisors: 1 2 3 6 71 142 213 426 2377 4754 7131 14262 168767 337534 506301 1012602 1995977 3991954 5987931 11975862 141714367 283428734 425143101 850286202 4744437329 9488874658 14233311987 28466623974 336855050359 673710100718 1010565151077 2021130302154