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30121223099 = 114153659353
BaseRepresentation
bin11100000011010111…
…010110001110111011
32212202012101200012112
4130003113112032323
5443142013114344
621500522202535
72114301112652
oct340327261673
985665350175
1030121223099
1111857710810
125a0765344b
132ac0529946
14165a5a2199
15bb45c1c9e
hex7035d63bb

30121223099 has 8 divisors (see below), whose sum is σ = 32867478192. Its totient is φ = 27376295040.

The previous prime is 30121223021. The next prime is 30121223113. The reversal of 30121223099 is 99032212103.

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 30121223099 - 224 = 30104445883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30121223399) 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, 283994 + ... + 375359.

It is an arithmetic number, because the mean of its divisors is an integer number (4108434774).

Almost surely, 230121223099 is an apocalyptic number.

30121223099 is a deficient number, since it is larger than the sum of its proper divisors (2746255093).

30121223099 is a wasteful number, since it uses less digits than its factorization.

30121223099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663517.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 30121223099 in words is "thirty billion, one hundred twenty-one million, two hundred twenty-three thousand, ninety-nine".

Divisors: 1 11 4153 45683 659353 7252883 2738293009 30121223099