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3121465492103 = 723293718068951
BaseRepresentation
bin101101011011000101110…
…101111000001010000111
3102001102001022000121011212
4231123011311320022013
5402120230131221403
610345551554322035
7441342552622160
oct55330565701207
912042038017155
103121465492103
11aa38959917a2
12424b6458931b
1319847851675a
14ab118b1c767
15562e31c94d8
hex2d6c5d78287

3121465492103 has 32 divisors (see below), whose sum is σ = 3954932213760. Its totient is φ = 2404182211200.

The previous prime is 3121465491983. The next prime is 3121465492169. The reversal of 3121465492103 is 3012945641213.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-3121465492103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121465492603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8861723 + ... + 9207228.

It is an arithmetic number, because the mean of its divisors is an integer number (123591631680).

Almost surely, 23121465492103 is an apocalyptic number.

3121465492103 is a deficient number, since it is larger than the sum of its proper divisors (833466721657).

3121465492103 is a wasteful number, since it uses less digits than its factorization.

3121465492103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18069047.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 3121465492103 in words is "three trillion, one hundred twenty-one billion, four hundred sixty-five million, four hundred ninety-two thousand, one hundred three".

Divisors: 1 7 23 29 37 161 203 259 667 851 1073 4669 5957 7511 24679 172753 18068951 126482657 415585873 523999579 668551187 2909101111 3667997053 4679858309 12051990317 15376677301 19387984423 84363932219 107636741107 135715890961 445923641729 3121465492103