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30252124205 = 528127197919
BaseRepresentation
bin11100001011001010…
…101100100000101101
32220002022201010202122
4130023022230200231
5443424020433310
621521520002325
72120450545562
oct341312544055
986068633678
1030252124205
1111914598746
125a434603a5
132b1169c614
14166db18869
15bc0d2c555
hex70b2ac82d

30252124205 has 16 divisors (see below), whose sum is σ = 36449740800. Its totient is φ = 24103658880.

The previous prime is 30252124183. The next prime is 30252124229. The reversal of 30252124205 is 50242125203.

It is not a de Polignac number, because 30252124205 - 224 = 30235346989 is a prime.

It is a Curzon number.

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, 3816236 + ... + 3824154.

It is an arithmetic number, because the mean of its divisors is an integer number (2278108800).

Almost surely, 230252124205 is an apocalyptic number.

It is an amenable number.

30252124205 is a deficient number, since it is larger than the sum of its proper divisors (6197616595).

30252124205 is a wasteful number, since it uses less digits than its factorization.

30252124205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10924.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 30252124205 its reverse (50242125203), we get a palindrome (80494249408).

The spelling of 30252124205 in words is "thirty billion, two hundred fifty-two million, one hundred twenty-four thousand, two hundred five".

Divisors: 1 5 281 1405 2719 7919 13595 39595 764039 2225239 3820195 11126195 21531761 107658805 6050424841 30252124205