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1010202201987 = 311231330964693
BaseRepresentation
bin11101011001101001011…
…11100100111110000011
310120120111201122222120220
432230310233210332003
5113022343230430422
62052025215034123
7132661516016106
oct16546457447603
93516451588526
101010202201987
1135a473897290
1214394a80b943
1374352b31654
1436c733a273d
151b427265e5c
hexeb34be4f83

1010202201987 has 16 divisors (see below), whose sum is σ = 1533271327488. Its totient is φ = 585624464480.

The previous prime is 1010202201973. The next prime is 1010202201989. The reversal of 1010202201987 is 7891022020101.

It is not a de Polignac number, because 1010202201987 - 211 = 1010202199939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1010202201989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665481588 + ... + 665483105.

It is an arithmetic number, because the mean of its divisors is an integer number (95829457968).

Almost surely, 21010202201987 is an apocalyptic number.

1010202201987 is a deficient number, since it is larger than the sum of its proper divisors (523069125501).

1010202201987 is a wasteful number, since it uses less digits than its factorization.

1010202201987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330964730.

The product of its (nonzero) digits is 4032, while the sum is 33.

The spelling of 1010202201987 in words is "one trillion, ten billion, two hundred two million, two hundred one thousand, nine hundred eighty-seven".

Divisors: 1 3 11 23 33 69 253 759 1330964693 3992894079 14640611623 30612187939 43921834869 91836563817 336734067329 1010202201987