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30215251235429 = 1329335392241479
BaseRepresentation
bin1101101111011000010010…
…10100010001001001100101
310221222112211210212110212222
412313230021110101021211
512430021313304013204
6144132410024122125
76235660043611361
oct667541124211145
9127875753773788
1030215251235429
11969a241681157
12347bb02606345
1313b2394360290
147665d6bb02a1
15375e7c13cabe
hex1b7b09511265

30215251235429 has 16 divisors (see below), whose sum is σ = 32659798147200. Its totient is φ = 27787943470656.

The previous prime is 30215251235423. The next prime is 30215251235531. The reversal of 30215251235429 is 92453215251203.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30215251235429 - 216 = 30215251169893 is a prime.

It is a super-2 number, since 2×302152512354292 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30215251235429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30215251235423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12359312 + ... + 14600790.

It is an arithmetic number, because the mean of its divisors is an integer number (2041237384200).

Almost surely, 230215251235429 is an apocalyptic number.

It is an amenable number.

30215251235429 is a deficient number, since it is larger than the sum of its proper divisors (2444546911771).

30215251235429 is a wasteful number, since it uses less digits than its factorization.

30215251235429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245324.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 30215251235429 in words is "thirty trillion, two hundred fifteen billion, two hundred fifty-one million, two hundred thirty-five thousand, four hundred twenty-nine".

Divisors: 1 13 293 3539 3809 46007 1036927 2241479 13480051 29139227 656753347 7932594181 8537793511 103123724353 2324250095033 30215251235429