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1001113041421 = 8291378187629
BaseRepresentation
bin11101001000101101111…
…11001011101000001101
310112201001021210210021101
432210112333023220031
5112400234414311141
62043523250503101
7132220341306523
oct16442677135015
93481037723241
101001113041421
1135662a238439
12142032894a91
1373534a6452c
14366501bc313
151b094326531
hexe916fcba0d

1001113041421 has 8 divisors (see below), whose sum is σ = 1002404827800. Its totient is φ = 999821459520.

The previous prime is 1001113041407. The next prime is 1001113041427. The reversal of 1001113041421 is 1241403111001.

It can be written as a sum of positive squares in 4 ways, for example, as 26176004100 + 974937037321 = 161790^2 + 987389^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1001113041421 - 25 = 1001113041389 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 (1001113041427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11380635 + ... + 11468263.

It is an arithmetic number, because the mean of its divisors is an integer number (125300603475).

Almost surely, 21001113041421 is an apocalyptic number.

It is an amenable number.

1001113041421 is a deficient number, since it is larger than the sum of its proper divisors (1291786379).

1001113041421 is an equidigital number, since it uses as much as digits as its factorization.

1001113041421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102239.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1001113041421 its reverse (1241403111001), we get a palindrome (2242516152422).

The spelling of 1001113041421 in words is "one trillion, one billion, one hundred thirteen million, forty-one thousand, four hundred twenty-one".

Divisors: 1 829 13781 87629 11424449 72644441 1207615249 1001113041421