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103121031032 = 2331415810609
BaseRepresentation
bin110000000001001111…
…1100000111101111000
3100212011200102010221122
41200002133200331320
53142142440443112
6115212333324412
710310302205225
oct1400237407570
9325150363848
10103121031032
113a808151998
1217b9b036708
1399552bc276
144dc377094c
152a38239872
hex18027e0f78

103121031032 has 16 divisors (see below), whose sum is σ = 199589092800. Its totient is φ = 49897272960.

The previous prime is 103121031031. The next prime is 103121031037. The reversal of 103121031032 is 230130121301.

103121031032 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1031210310322 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103121031032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103121031031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207905057 + ... + 207905552.

It is an arithmetic number, because the mean of its divisors is an integer number (12474318300).

Almost surely, 2103121031032 is an apocalyptic number.

It is an amenable number.

103121031032 is a deficient number, since it is larger than the sum of its proper divisors (96468061768).

103121031032 is a wasteful number, since it uses less digits than its factorization.

103121031032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415810646 (or 415810642 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 103121031032 its reverse (230130121301), we get a palindrome (333251152333).

The spelling of 103121031032 in words is "one hundred three billion, one hundred twenty-one million, thirty-one thousand, thirty-two".

Divisors: 1 2 4 8 31 62 124 248 415810609 831621218 1663242436 3326484872 12890128879 25780257758 51560515516 103121031032