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11161448620 = 2257193413081
BaseRepresentation
bin10100110010100011…
…00011000010101100
31001210212020100002221
422121101203002230
5140324312323440
65043312325124
7543406514350
oct123121430254
931725210087
1011161448620
11480838a603
1221b5b437a4
13108b50458a
1477c4d9460
15454d30d4a
hex2994630ac

11161448620 has 48 divisors (see below), whose sum is σ = 26926337088. Its totient is φ = 3806945280.

The previous prime is 11161448593. The next prime is 11161448621. The reversal of 11161448620 is 2684416111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11161448621) 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, 179521 + ... + 233560.

It is an arithmetic number, because the mean of its divisors is an integer number (560965356).

Almost surely, 211161448620 is an apocalyptic number.

11161448620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11161448620 is an abundant number, since it is smaller than the sum of its proper divisors (15764888468).

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

11161448620 is a wasteful number, since it uses less digits than its factorization.

11161448620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413290 (or 413288 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The spelling of 11161448620 in words is "eleven billion, one hundred sixty-one million, four hundred forty-eight thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 193 386 772 965 1351 1930 2702 3860 5404 6755 13510 27020 413081 826162 1652324 2065405 2891567 4130810 5783134 8261620 11566268 14457835 28915670 57831340 79724633 159449266 318898532 398623165 558072431 797246330 1116144862 1594492660 2232289724 2790362155 5580724310 11161448620