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13124403311 = 193718669137
BaseRepresentation
bin11000011100100011…
…01000000001101111
31020212122212202201112
430032101220001233
5203334321401221
610010153302235
7643143405335
oct141621500157
936778782645
1013124403311
115625424508
12266340497b
1313120aac26
148c70adb55
1551c32715b
hex30e46806f

13124403311 has 8 divisors (see below), whose sum is σ = 14188544880. Its totient is φ = 12097600128.

The previous prime is 13124403307. The next prime is 13124403337. The reversal of 13124403311 is 11330442131.

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 13124403311 - 22 = 13124403307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13124403301) 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, 9333866 + ... + 9335271.

It is an arithmetic number, because the mean of its divisors is an integer number (1773568110).

Almost surely, 213124403311 is an apocalyptic number.

13124403311 is a deficient number, since it is larger than the sum of its proper divisors (1064141569).

13124403311 is a wasteful number, since it uses less digits than its factorization.

13124403311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18669193.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13124403311 its reverse (11330442131), we get a palindrome (24454845442).

The spelling of 13124403311 in words is "thirteen billion, one hundred twenty-four million, four hundred three thousand, three hundred eleven".

Divisors: 1 19 37 703 18669137 354713603 690758069 13124403311