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152684448081 = 31140952121713
BaseRepresentation
bin1000111000110010110…
…0111100100101010001
3112121002211201121100120
42032030230330211101
510000144204314311
6154050421340453
714013443252334
oct2161454744521
9477084647316
10152684448081
1159831432790
1225711867729
131152377c289
1475660d661b
153e895e1706
hex238cb3c951

152684448081 has 32 divisors (see below), whose sum is σ = 223067053440. Its totient is φ = 92128358400.

The previous prime is 152684448073. The next prime is 152684448139. The reversal of 152684448081 is 180844486251.

It is not a de Polignac number, because 152684448081 - 23 = 152684448073 is a prime.

It is a super-2 number, since 2×1526844480812 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (152684448061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7021081 + ... + 7042793.

It is an arithmetic number, because the mean of its divisors is an integer number (6970845420).

Almost surely, 2152684448081 is an apocalyptic number.

152684448081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

152684448081 is a deficient number, since it is larger than the sum of its proper divisors (70382605359).

152684448081 is a wasteful number, since it uses less digits than its factorization.

152684448081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22657.

The product of its (nonzero) digits is 1966080, while the sum is 51.

The spelling of 152684448081 in words is "one hundred fifty-two billion, six hundred eighty-four million, four hundred forty-eight thousand, eighty-one".

Divisors: 1 3 11 33 409 521 1227 1563 4499 5731 13497 17193 21713 65139 213089 238843 639267 716529 2343979 7031937 8880617 11312473 26641851 33937419 97686787 124437203 293060361 373311609 4626801457 13880404371 50894816027 152684448081