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30615408011 = 972789113167
BaseRepresentation
bin11100100000110100…
…100000110110001011
32221000122021212110102
4130200310200312023
51000200021024021
622021534240015
72132451450206
oct344064406613
987018255412
1030615408011
1111a906661a1
125b2505600b
132b6ba26c56
1416a608293d
15be2b8c00b
hex720d20d8b

30615408011 has 8 divisors (see below), whose sum is σ = 30942394560. Its totient is φ = 30288653568.

The previous prime is 30615407903. The next prime is 30615408071. The reversal of 30615408011 is 11080451603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30615408011 - 214 = 30615391627 is a prime.

It is a super-2 number, since 2×306154080112 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30615408071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213950 + ... + 327116.

It is an arithmetic number, because the mean of its divisors is an integer number (3867799320).

Almost surely, 230615408011 is an apocalyptic number.

30615408011 is a deficient number, since it is larger than the sum of its proper divisors (326986549).

30615408011 is a wasteful number, since it uses less digits than its factorization.

30615408011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116053.

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 30615408011 its reverse (11080451603), we get a palindrome (41695859614).

The spelling of 30615408011 in words is "thirty billion, six hundred fifteen million, four hundred eight thousand, eleven".

Divisors: 1 97 2789 113167 270533 10977199 315622763 30615408011