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103030302123 = 32723113995387
BaseRepresentation
bin101111111110100010…
…1011010010110101011
3100211221100200122021200
41133331011122112223
53142001224131443
6115155332535243
710305121055400
oct1377505322653
9324840618250
10103030302123
113a770a12a21
1217b74781523
13993c573618
144db56b42a7
152a302b6dd3
hex17fd15a5ab

103030302123 has 72 divisors (see below), whose sum is σ = 178864358400. Its totient is φ = 56923987680.

The previous prime is 103030302047. The next prime is 103030302127. The reversal of 103030302123 is 321203030301.

It is not a de Polignac number, because 103030302123 - 29 = 103030301611 is a prime.

It is a super-3 number, since 3×1030303021233 (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103030302096 and 103030302105.

It is not an unprimeable number, because it can be changed into a prime (103030302127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 19123036 + ... + 19128422.

It is an arithmetic number, because the mean of its divisors is an integer number (2484227200).

Almost surely, 2103030302123 is an apocalyptic number.

103030302123 is a deficient number, since it is larger than the sum of its proper divisors (75834056277).

103030302123 is a wasteful number, since it uses less digits than its factorization.

103030302123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6837 (or 6827 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 103030302123 its reverse (321203030301), we get a palindrome (424233332424).

The spelling of 103030302123 in words is "one hundred three billion, thirty million, three hundred two thousand, one hundred twenty-three".

Divisors: 1 3 7 9 21 31 49 63 93 147 217 279 441 651 1399 1519 1953 4197 4557 5387 9793 12591 13671 16161 29379 37709 43369 48483 68551 88137 113127 130107 166997 205653 263963 303583 339381 390321 500991 616959 791889 910749 1168979 1502973 2125081 2375667 2732247 3506937 6375243 7536413 8182853 10520811 19125729 22609239 24548559 52754891 67827717 73645677 158264673 233628803 369284237 474794019 700886409 1107852711 1635401621 2102659227 3323558133 4906204863 11447811347 14718614589 34343434041 103030302123