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140203231441 = 7131579813343
BaseRepresentation
bin1000001010010011000…
…0111000100011010001
3111101220000010002212121
42002210300320203101
54244114011401231
6144224121454241
713062236542540
oct2024460704321
9441800102777
10140203231441
1154507083a09
1223209941381
13102b4a0b0a0
146b00612157
1539a89b8311
hex20a4c388d1

140203231441 has 16 divisors (see below), whose sum is σ = 173656935424. Its totient is φ = 110223457344.

The previous prime is 140203231339. The next prime is 140203231459. The reversal of 140203231441 is 144132302041.

It is not a de Polignac number, because 140203231441 - 29 = 140203230929 is a prime.

It is a super-2 number, since 2×1402032314412 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140203231541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4892385 + ... + 4920958.

It is an arithmetic number, because the mean of its divisors is an integer number (10853558464).

Almost surely, 2140203231441 is an apocalyptic number.

It is an amenable number.

140203231441 is a deficient number, since it is larger than the sum of its proper divisors (33453703983).

140203231441 is a wasteful number, since it uses less digits than its factorization.

140203231441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9813520.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 140203231441 its reverse (144132302041), we get a palindrome (284335533482).

The spelling of 140203231441 in words is "one hundred forty billion, two hundred three million, two hundred thirty-one thousand, four hundred forty-one".

Divisors: 1 7 13 91 157 1099 2041 14287 9813343 68693401 127573459 893014213 1540694851 10784863957 20029033063 140203231441