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1980713100 = 223526602377
BaseRepresentation
bin111011000001111…
…0100100010001100
312010001001122120110
41312003310202030
513024030304400
6524313320020
7100040532522
oct16603644214
95101048513
101980713100
11927074083
12473406010
132574836b2
1414b0b8312
15b8d52e50
hex760f488c

1980713100 has 36 divisors (see below), whose sum is σ = 5730864104. Its totient is φ = 528190080.

The previous prime is 1980713071. The next prime is 1980713113. The reversal of 1980713100 is 13170891.

It is a super-2 number, since 2×19807131002 = 7846448769023220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3300889 + ... + 3301488.

Almost surely, 21980713100 is an apocalyptic number.

1980713100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1980713100 is an abundant number, since it is smaller than the sum of its proper divisors (3750151004).

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

1980713100 is a wasteful number, since it uses less digits than its factorization.

1980713100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6602394 (or 6602387 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 1980713100 is about 44505.2030666078. The cubic root of 1980713100 is about 1255.8579658379.

Adding to 1980713100 its reverse (13170891), we get a palindrome (1993883991).

The spelling of 1980713100 in words is "one billion, nine hundred eighty million, seven hundred thirteen thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 6602377 13204754 19807131 26409508 33011885 39614262 66023770 79228524 99035655 132047540 165059425 198071310 330118850 396142620 495178275 660237700 990356550 1980713100