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102401403231 = 3131260563367
BaseRepresentation
bin101111101011110011…
…0010110100101011111
3100210022112022021012010
41133113212112211133
53134204224400411
6115013105242303
710253413365051
oct1372746264537
9323275267163
10102401403231
113a478a16976
1217a1a033393
13986c199cba
144d55d678d1
1529e4e8b7a6
hex17d799695f

102401403231 has 8 divisors (see below), whose sum is σ = 137577458304. Its totient is φ = 67746475160.

The previous prime is 102401403227. The next prime is 102401403239. The reversal of 102401403231 is 132304104201.

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 102401403231 - 22 = 102401403227 is a prime.

It is a super-2 number, since 2×1024014032312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102401403198 and 102401403207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102401403239) 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, 130281291 + ... + 130282076.

It is an arithmetic number, because the mean of its divisors is an integer number (17197182288).

Almost surely, 2102401403231 is an apocalyptic number.

102401403231 is a deficient number, since it is larger than the sum of its proper divisors (35176055073).

102401403231 is a wasteful number, since it uses less digits than its factorization.

102401403231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260563501.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 102401403231 its reverse (132304104201), we get a palindrome (234705507432).

The spelling of 102401403231 in words is "one hundred two billion, four hundred one million, four hundred three thousand, two hundred thirty-one".

Divisors: 1 3 131 393 260563367 781690101 34133801077 102401403231