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2021120112130 = 257292012349477
BaseRepresentation
bin11101011010010100001…
…001010111011000000010
321011012212100001201012021
4131122110021113120002
5231103223222042010
64144253442152054
7266010145332010
oct35322411273002
97135770051167
102021120112130
1170a174681709
1228785905262a
1311878b012142
146db7382b8b0
15378922538da
hex1d694257602

2021120112130 has 64 divisors (see below), whose sum is σ = 4301403575040. Its totient is φ = 669013680384.

The previous prime is 2021120112031. The next prime is 2021120112149. The reversal of 2021120112130 is 312110211202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40824952 + ... + 40874428.

It is an arithmetic number, because the mean of its divisors is an integer number (67209430860).

Almost surely, 22021120112130 is an apocalyptic number.

2021120112130 is an abundant number, since it is smaller than the sum of its proper divisors (2280283462910).

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

2021120112130 is a wasteful number, since it uses less digits than its factorization.

2021120112130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69643.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2021120112130 its reverse (312110211202), we get a palindrome (2333230323332).

The spelling of 2021120112130 in words is "two trillion, twenty-one billion, one hundred twenty million, one hundred twelve thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 29 35 58 70 145 203 290 406 1015 2030 20123 40246 49477 98954 100615 140861 201230 247385 281722 346339 494770 583567 692678 704305 1167134 1408610 1434833 1731695 2869666 2917835 3463390 4084969 5835670 7174165 8169938 10043831 14348330 20087662 20424845 40849690 50219155 100438310 995625671 1991251342 4978128355 6969379697 9956256710 13938759394 28873144459 34846898485 57746288918 69693796970 144365722295 202112011213 288731444590 404224022426 1010560056065 2021120112130