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1087431332847 = 31737335711809
BaseRepresentation
bin11111101001011111111…
…01010101001111101111
310211221211221220022200220
433310233331111033233
5120304024410122342
62151320431222423
7141364363551036
oct17645775251757
93757757808626
101087431332847
1138a1a4702372
12156902677a13
137b70cb98712
143a8bc13b71d
151d4473515ec
hexfd2ff553ef

1087431332847 has 16 divisors (see below), whose sum is σ = 1535608694880. Its totient is φ = 682126958592.

The previous prime is 1087431332761. The next prime is 1087431332849. The reversal of 1087431332847 is 7482331347801.

It is a happy number.

It is not a de Polignac number, because 1087431332847 - 222 = 1087427138543 is a prime.

It is a super-2 number, since 2×10874313328472 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 1087431332847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1087431332849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2665522 + ... + 3046287.

It is an arithmetic number, because the mean of its divisors is an integer number (95975543430).

Almost surely, 21087431332847 is an apocalyptic number.

1087431332847 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1087431332847 is a deficient number, since it is larger than the sum of its proper divisors (448177362033).

1087431332847 is a wasteful number, since it uses less digits than its factorization.

1087431332847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5715562.

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 1087431332847 in words is "one trillion, eighty-seven billion, four hundred thirty-one million, three hundred thirty-two thousand, eight hundred forty-seven".

Divisors: 1 3 17 51 3733 11199 63461 190383 5711809 17135427 97100753 291302259 21322182997 63966548991 362477110949 1087431332847