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1000000421101 = 1190909129191
BaseRepresentation
bin11101000110101001010…
…10110111110011101101
310112121011202012211010101
432203110222313303231
5112341000101433401
62043221023311101
7132150641221513
oct16432452676355
93477152184111
101000000421101
11356109193310
1214198214b491
13733b83b5406
14365865164b3
151b02b7eb101
hexe8d4ab7ced

1000000421101 has 4 divisors (see below), whose sum is σ = 1090909550304. Its totient is φ = 909091291900.

The previous prime is 1000000421053. The next prime is 1000000421171. The reversal of 1000000421101 is 1011240000001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1000000421101 - 231 = 997852937453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000000421171) 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, 45454564585 + ... + 45454564606.

It is an arithmetic number, because the mean of its divisors is an integer number (272727387576).

Almost surely, 21000000421101 is an apocalyptic number.

1000000421101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1000000421101 is a deficient number, since it is larger than the sum of its proper divisors (90909129203).

1000000421101 is an equidigital number, since it uses as much as digits as its factorization.

1000000421101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90909129202.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1000000421101 its reverse (1011240000001), we get a palindrome (2011240421102).

The spelling of 1000000421101 in words is "one trillion, four hundred twenty-one thousand, one hundred one".

Divisors: 1 11 90909129191 1000000421101