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13021001401 = 47594799803
BaseRepresentation
bin11000010000001110…
…01011011010111001
31020121110022101222011
430020013023122321
5203131334021101
65552021125521
7640446454132
oct141007133271
936543271864
1013021001401
11558201a091
1226348598a1
1312c6845b75
148b7474c89
155131ee751
hex3081cb6b9

13021001401 has 16 divisors (see below), whose sum is σ = 13553049600. Its totient is φ = 12500529808.

The previous prime is 13021001387. The next prime is 13021001417. The reversal of 13021001401 is 10410012031.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13021001401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13021001491) 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, 1323366 + ... + 1333168.

It is an arithmetic number, because the mean of its divisors is an integer number (847065600).

Almost surely, 213021001401 is an apocalyptic number.

It is an amenable number.

13021001401 is a deficient number, since it is larger than the sum of its proper divisors (532048199).

13021001401 is an equidigital number, since it uses as much as digits as its factorization.

13021001401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10388.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 13021001401 its reverse (10410012031), we get a palindrome (23431013432).

The spelling of 13021001401 in words is "thirteen billion, twenty-one million, one thousand, four hundred one".

Divisors: 1 47 59 479 2773 9803 22513 28261 460741 578377 1328267 4695637 27183719 220694939 277042583 13021001401