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13130212333 = 7219120111743
BaseRepresentation
bin11000011101001111…
…10010001111101101
31020220001210220012111
430032213302033231
5203342313243313
610010522004021
7643243651300
oct141647621755
936801726174
1013130212333
115628731957
122665346611
131313363014
148c7b82b37
1551cac343d
hex30e9f23ed

13130212333 has 24 divisors (see below), whose sum is σ = 16092568320. Its totient is φ = 10652342400.

The previous prime is 13130212309. The next prime is 13130212339. The reversal of 13130212333 is 33321203131.

It is not a de Polignac number, because 13130212333 - 29 = 13130211821 is a prime.

It is a super-4 number, since 4×131302123334 (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130212339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1112260 + ... + 1124002.

It is an arithmetic number, because the mean of its divisors is an integer number (670523680).

Almost surely, 213130212333 is an apocalyptic number.

It is an amenable number.

13130212333 is a deficient number, since it is larger than the sum of its proper divisors (2962355987).

13130212333 is a wasteful number, since it uses less digits than its factorization.

13130212333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12977 (or 12970 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13130212333 its reverse (33321203131), we get a palindrome (46451415464).

The spelling of 13130212333 in words is "thirteen billion, one hundred thirty million, two hundred twelve thousand, three hundred thirty-three".

Divisors: 1 7 19 49 133 931 1201 8407 11743 22819 58849 82201 159733 223117 575407 1118131 1561819 10932733 14103343 98723401 267963517 691063807 1875744619 13130212333