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82380888261275 = 528339701632897
BaseRepresentation
bin10010101110110011001011…
…100101001100001010011011
3101210200112110202011022201212
4102232303023211030022123
541244212024343330100
6451113131350533335
723231552131330502
oct2256631345141233
9353615422138655
1082380888261275
11242815a183812a
1292a5b7496724b
1336c763b3a3586
14164b3832a3839
1597cdb1552635
hex4aeccb94c29b

82380888261275 has 12 divisors (see below), whose sum is σ = 103383052066392. Its totient is φ = 65110677949440.

The previous prime is 82380888261271. The next prime is 82380888261307. The reversal of 82380888261275 is 57216288808328.

It is not a de Polignac number, because 82380888261275 - 22 = 82380888261271 is a prime.

It is a super-2 number, since 2×823808882612752 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82380888261271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19850814374 + ... + 19850818523.

It is an arithmetic number, because the mean of its divisors is an integer number (8615254338866).

Almost surely, 282380888261275 is an apocalyptic number.

82380888261275 is a deficient number, since it is larger than the sum of its proper divisors (21002163805117).

82380888261275 is a wasteful number, since it uses less digits than its factorization.

82380888261275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39701632990 (or 39701632985 counting only the distinct ones).

The product of its (nonzero) digits is 165150720, while the sum is 68.

The spelling of 82380888261275 in words is "eighty-two trillion, three hundred eighty billion, eight hundred eighty-eight million, two hundred sixty-one thousand, two hundred seventy-five".

Divisors: 1 5 25 83 415 2075 39701632897 198508164485 992540822425 3295235530451 16476177652255 82380888261275