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8150962190121 = 34149221292
BaseRepresentation
bin111011010011100101100…
…1101001011011100101001
31001212020001120101020110000
41312213023031023130221
52032021132310040441
625200300023413213
71500613304314422
oct166471315133451
931766046336400
108150962190121
112662892730033
12ab78648b4209
1347182b602a8a
14202719b38649
15e205a2582b6
hex769cb34b729

8150962190121 has 45 divisors (see below), whose sum is σ = 12264156661141. Its totient is φ = 5394969933696.

The previous prime is 8150962190113. The next prime is 8150962190221. The reversal of 8150962190121 is 1210912690518.

The square root of 8150962190121 is 2854989.

It is a perfect power (a square), and thus also a powerful number.

8150962190121 is a `hidden beast` number, since 8 + 1 + 5 + 0 + 9 + 621 + 9 + 0 + 12 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3337238429721 + 4813723760400 = 1826811^2 + 2194020^2 .

It is not a de Polignac number, because 8150962190121 - 23 = 8150962190113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8150962190221) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 3828539185 + ... + 3828541313.

Almost surely, 28150962190121 is an apocalyptic number.

8150962190121 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

8150962190121 is the 2854989-th square number.

8150962190121 is the 1427495-th centered octagonal number.

It is an amenable number.

8150962190121 is a deficient number, since it is larger than the sum of its proper divisors (4113194471020).

8150962190121 is an frugal number, since it uses more digits than its factorization.

8150962190121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4568 (or 2281 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 45.

The spelling of 8150962190121 in words is "eight trillion, one hundred fifty billion, nine hundred sixty-two million, one hundred ninety thousand, one hundred twenty-one".

Divisors: 1 3 9 27 81 149 447 1341 2129 4023 6387 12069 19161 22201 57483 66603 172449 199809 317221 599427 951663 1798281 2854989 4532641 8564967 13597923 25694901 40793769 47265929 122381307 141797787 367143921 425393361 675363509 1276180083 2026090527 3828540249 6078271581 18234814743 54704444229 100629162841 301887488523 905662465569 2716987396707 8150962190121