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10144382978 = 2131379102161
BaseRepresentation
bin10010111001010011…
…10000000000000010
3222011222110001100002
421130221300000002
5131233430223403
64354341200002
7506246555402
oct113451600002
928158401302
1010144382978
114336270094
121b71400002
13c588a07a2
146c33c8802
153e58cd188
hex25ca70002

10144382978 has 16 divisors (see below), whose sum is σ = 15373337760. Its totient is φ = 5020142400.

The previous prime is 10144382879. The next prime is 10144382999. The reversal of 10144382978 is 87928344101.

It is a super-2 number, since 2×101443829782 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48218 + ... + 150378.

It is an arithmetic number, because the mean of its divisors is an integer number (960833610).

Almost surely, 210144382978 is an apocalyptic number.

10144382978 is a deficient number, since it is larger than the sum of its proper divisors (5228954782).

10144382978 is a wasteful number, since it uses less digits than its factorization.

10144382978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102673.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 10144382978 in words is "ten billion, one hundred forty-four million, three hundred eighty-two thousand, nine hundred seventy-eight".

Divisors: 1 2 131 262 379 758 49649 99298 102161 204322 13383091 26766182 38719019 77438038 5072191489 10144382978