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23130333012 = 22319608916661
BaseRepresentation
bin10101100010101011…
…001101111101010100
32012200222210122212110
4111202223031331110
5334332331124022
614343111151020
71446122405133
oct254253157524
965628718773
1023130333012
11989a5195a6
124596375470
1322480933a7
141195d3791a
159059a700c
hex562acdf54

23130333012 has 48 divisors (see below), whose sum is σ = 56824084800. Its totient is φ = 7302677760.

The previous prime is 23130332999. The next prime is 23130333043. The reversal of 23130333012 is 21033303132.

It is a self number, because there is not a number n which added to its sum of digits gives 23130333012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1379962 + ... + 1396622.

It is an arithmetic number, because the mean of its divisors is an integer number (1183835100).

Almost surely, 223130333012 is an apocalyptic number.

It is an amenable number.

23130333012 is an abundant number, since it is smaller than the sum of its proper divisors (33693751788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23130333012 is a wasteful number, since it uses less digits than its factorization.

23130333012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22776 (or 22774 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 23130333012 its reverse (21033303132), we get a palindrome (44163636144).

The spelling of 23130333012 in words is "twenty-three billion, one hundred thirty million, three hundred thirty-three thousand, twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 6089 12178 16661 18267 24356 33322 36534 49983 66644 73068 99966 115691 199932 231382 316559 347073 462764 633118 694146 949677 1266236 1388292 1899354 3798708 101448829 202897658 304346487 405795316 608692974 1217385948 1927527751 3855055502 5782583253 7710111004 11565166506 23130333012