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102003123123031 = 1342772318344569
BaseRepresentation
bin10111001100010101110011…
…111010110111001101010111
3111101011101220000212110122011
4113030111303322313031113
5101332204344004414111
61000535330551045051
730325324323562264
oct2714256372671527
9441141800773564
10102003123123031
112a557310872579
12b534a7b670787
1344bbb127400c0
141b28d9839826b
15bbd506a62021
hex5cc573eb7357

102003123123031 has 8 divisors (see below), whose sum is σ = 109849780021520. Its totient is φ = 94156503769152.

The previous prime is 102003123122951. The next prime is 102003123123173. The reversal of 102003123123031 is 130321321300201.

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 102003123123031 - 225 = 102003089568599 is a prime.

It is a super-2 number, since 2×1020031231230312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102003123122993 and 102003123123011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102003123123631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3611886 + ... + 14732683.

It is an arithmetic number, because the mean of its divisors is an integer number (13731222502690).

Almost surely, 2102003123123031 is an apocalyptic number.

102003123123031 is a deficient number, since it is larger than the sum of its proper divisors (7846656898489).

102003123123031 is a wasteful number, since it uses less digits than its factorization.

102003123123031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18772305.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 102003123123031 its reverse (130321321300201), we get a palindrome (232324444423232).

The spelling of 102003123123031 in words is "one hundred two trillion, three billion, one hundred twenty-three million, one hundred twenty-three thousand, thirty-one".

Divisors: 1 13 427723 5560399 18344569 238479397 7846394086387 102003123123031