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87053610576 = 2431813616887
BaseRepresentation
bin101000100010011001…
…1001010111001010000
322022200220201121200010
41101010303022321100
52411241211014301
6103554124554520
76201161323632
oct1210463127120
9268626647603
1087053610576
1133a12548109
1214a560b2a40
13829458b69a
1442db88ca52
1523e78775d6
hex1444ccae50

87053610576 has 20 divisors (see below), whose sum is σ = 224888494112. Its totient is φ = 29017870176.

The previous prime is 87053610571. The next prime is 87053610577. The reversal of 87053610576 is 67501635078.

It is a super-2 number, since 2×870536105762 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1813616887 = 87053610576 / (8 + 7 + 0 + 5 + 3 + 6 + 1 + 0 + 5 + 7 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87053610571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906808396 + ... + 906808491.

Almost surely, 287053610576 is an apocalyptic number.

It is an amenable number.

87053610576 is an abundant number, since it is smaller than the sum of its proper divisors (137834883536).

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

87053610576 is a wasteful number, since it uses less digits than its factorization.

87053610576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813616898 (or 1813616892 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 87053610576 in words is "eighty-seven billion, fifty-three million, six hundred ten thousand, five hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 16 24 48 1813616887 3627233774 5440850661 7254467548 10881701322 14508935096 21763402644 29017870192 43526805288 87053610576