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13021401124 = 2217191491193
BaseRepresentation
bin11000010000010001…
…01101000000100100
31020121111001201021201
430020020231000210
5203131434313444
65552033452244
7640453040404
oct141010550044
936544051251
1013021401124
115582272436
122634a11084
1312c6955aa4
148b753a804
1551327cdd4
hex30822d024

13021401124 has 12 divisors (see below), whose sum is σ = 24127890444. Its totient is φ = 6127718144.

The previous prime is 13021401097. The next prime is 13021401137. The reversal of 13021401124 is 42110412031.

It can be written as a sum of positive squares in 2 ways, for example, as 11846145600 + 1175255524 = 108840^2 + 34282^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95745529 + ... + 95745664.

It is an arithmetic number, because the mean of its divisors is an integer number (2010657537).

Almost surely, 213021401124 is an apocalyptic number.

It is an amenable number.

13021401124 is a deficient number, since it is larger than the sum of its proper divisors (11106489320).

13021401124 is a wasteful number, since it uses less digits than its factorization.

13021401124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191491214 (or 191491212 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 13021401124 its reverse (42110412031), we get a palindrome (55131813155).

The spelling of 13021401124 in words is "thirteen billion, twenty-one million, four hundred one thousand, one hundred twenty-four".

Divisors: 1 2 4 17 34 68 191491193 382982386 765964772 3255350281 6510700562 13021401124