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2021613492 = 2231301129491
BaseRepresentation
bin111100001111111…
…0101111110110100
312012220000121100210
41320133311332310
513120013112432
6532334105420
7101045300613
oct17037657664
95186017323
102021613492
1194816a158
1248504b270
13262aa4002
141526c387a
15bc7318cc
hex787f5fb4

2021613492 has 24 divisors (see below), whose sum is σ = 4720760352. Its totient is φ = 673348000.

The previous prime is 2021613469. The next prime is 2021613521. The reversal of 2021613492 is 2943161202.

It is a super-2 number, since 2×20216134922 = 8173842222072868128, which contains 22 as substring.

It is a congruent number.

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, 49134 + ... + 80357.

It is an arithmetic number, because the mean of its divisors is an integer number (196698348).

Almost surely, 22021613492 is an apocalyptic number.

It is an amenable number.

2021613492 is an abundant number, since it is smaller than the sum of its proper divisors (2699146860).

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

2021613492 is a wasteful number, since it uses less digits than its factorization.

2021613492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130799 (or 130797 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2021613492 is about 44962.3563884279. The cubic root of 2021613492 is about 1264.4433472887.

Adding to 2021613492 its reverse (2943161202), we get a palindrome (4964774694).

The spelling of 2021613492 in words is "two billion, twenty-one million, six hundred thirteen thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 12 1301 2602 3903 5204 7806 15612 129491 258982 388473 517964 776946 1553892 168467791 336935582 505403373 673871164 1010806746 2021613492