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71572000482 = 23220773191413
BaseRepresentation
bin100001010101000000…
…1100000111011100010
320211201222100100010200
41002222001200323202
52133034413003412
652514004210030
75112422652303
oct1025201407342
9224658310120
1071572000482
112839858a324
1211a55399916
136998028b58
14366d6dc7aa
151cdd62d9dc
hex10aa060ee2

71572000482 has 24 divisors (see below), whose sum is σ = 155080943004. Its totient is φ = 23856060384.

The previous prime is 71572000481. The next prime is 71572000501. The reversal of 71572000482 is 28400027517.

71572000482 is a `hidden beast` number, since 7 + 1 + 572 + 0 + 0 + 0 + 4 + 82 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 70405846281 + 1166154201 = 265341^2 + 34149^2 .

It is not an unprimeable number, because it can be changed into a prime (71572000481) 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, 278208 + ... + 469620.

Almost surely, 271572000482 is an apocalyptic number.

71572000482 is an abundant number, since it is smaller than the sum of its proper divisors (83508942522).

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

71572000482 is a wasteful number, since it uses less digits than its factorization.

71572000482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212194 (or 212191 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

Adding to 71572000482 its reverse (28400027517), we get a palindrome (99972027999).

The spelling of 71572000482 in words is "seventy-one billion, five hundred seventy-two million, four hundred eighty-two", and thus it is an aban number.

Divisors: 1 2 3 6 9 18 20773 41546 62319 124638 186957 191413 373914 382826 574239 1148478 1722717 3445434 3976222249 7952444498 11928666747 23857333494 35786000241 71572000482