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23213100030 = 2354011929601
BaseRepresentation
bin10101100111100110…
…111100101111111110
32012220202112122212120
4111213212330233332
5340020023200110
614355225143410
71451146044321
oct254746745776
965822478776
1023213100030
11993220a69a
1245ba02ab66
13225c282063
1411a2d207b8
1590cda5870
hex5679bcbfe

23213100030 has 32 divisors (see below), whose sum is σ = 55850400288. Its totient is φ = 6174720000.

The previous prime is 23213099977. The next prime is 23213100073. The reversal of 23213100030 is 3000131232.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23213099982 and 23213100009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 952771 + ... + 976830.

It is an arithmetic number, because the mean of its divisors is an integer number (1745325009).

Almost surely, 223213100030 is an apocalyptic number.

23213100030 is an abundant number, since it is smaller than the sum of its proper divisors (32637300258).

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

23213100030 is a wasteful number, since it uses less digits than its factorization.

23213100030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930012.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 23213100030 its reverse (3000131232), we get a palindrome (26213231262).

The spelling of 23213100030 in words is "twenty-three billion, two hundred thirteen million, one hundred thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 401 802 1203 2005 2406 4010 6015 12030 1929601 3859202 5788803 9648005 11577606 19296010 28944015 57888030 773770001 1547540002 2321310003 3868850005 4642620006 7737700010 11606550015 23213100030