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1013211401 = 1051396377
BaseRepresentation
bin111100011001000…
…110000100001001
32121121112110202012
4330121012010021
54033340231101
6244312345305
734052104046
oct7431060411
92547473665
101013211401
1147aa277a4
122433a5235
13131bb4697
14987ca1cd
155de40bbb
hex3c646109

1013211401 has 4 divisors (see below), whose sum is σ = 1013318292. Its totient is φ = 1013104512.

The previous prime is 1013211391. The next prime is 1013211413. The reversal of 1013211401 is 1041123101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1041123101 = 3892676409.

It can be written as a sum of positive squares in 2 ways, for example, as 272283001 + 740928400 = 16501^2 + 27220^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013211401 - 210 = 1013210377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013211481) 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, 37676 + ... + 58701.

It is an arithmetic number, because the mean of its divisors is an integer number (253329573).

Almost surely, 21013211401 is an apocalyptic number.

It is an amenable number.

1013211401 is a deficient number, since it is larger than the sum of its proper divisors (106891).

1013211401 is an equidigital number, since it uses as much as digits as its factorization.

1013211401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106890.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1013211401 is about 31830.9817787639. The cubic root of 1013211401 is about 1004.3845479758.

Adding to 1013211401 its reverse (1041123101), we get a palindrome (2054334502).

The spelling of 1013211401 in words is "one billion, thirteen million, two hundred eleven thousand, four hundred one".

Divisors: 1 10513 96377 1013211401