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9411620881 = 133709195193
BaseRepresentation
bin10001100001111100…
…11111000000010001
3220021220121212201011
420300332133000101
5123233333332011
64153523410521
7452141312635
oct106076370021
926256555634
109411620881
113a9a684083
1219a7b23a41
13b6cb30150
14653d62dc5
153a13d8621
hex230f9f011

9411620881 has 8 divisors (see below), whose sum is σ = 10138376360. Its totient is φ = 8685263232.

The previous prime is 9411620833. The next prime is 9411620899. The reversal of 9411620881 is 1880261149.

It can be written as a sum of positive squares in 4 ways, for example, as 305690256 + 9105930625 = 17484^2 + 95425^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9411620881 - 217 = 9411489809 is a prime.

It is a super-2 number, since 2×94116208812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9411620831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49380 + ... + 145813.

It is an arithmetic number, because the mean of its divisors is an integer number (1267297045).

Almost surely, 29411620881 is an apocalyptic number.

It is an amenable number.

9411620881 is a deficient number, since it is larger than the sum of its proper divisors (726755479).

9411620881 is a wasteful number, since it uses less digits than its factorization.

9411620881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198915.

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 9411620881 is about 97013.5087552244. The cubic root of 9411620881 is about 2111.3236291905.

The spelling of 9411620881 in words is "nine billion, four hundred eleven million, six hundred twenty thousand, eight hundred eighty-one".

Divisors: 1 13 3709 48217 195193 2537509 723970837 9411620881