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30836020436 = 22131931210547
BaseRepresentation
bin11100101101111110…
…000101010011010100
32221121000102010210222
4130231332011103110
51001123010123221
622055454533512
72141100564134
oct345576052324
987530363728
1030836020436
1112094147611
125b86b07298
132ba564a350
1416c74acac4
15c072189ab
hex72df854d4

30836020436 has 24 divisors (see below), whose sum is σ = 61172674080. Its totient is φ = 13482955872.

The previous prime is 30836020373. The next prime is 30836020441. The reversal of 30836020436 is 63402063803.

It is a junction number, because it is equal to n+sod(n) for n = 30836020396 and 30836020405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15604286 + ... + 15606261.

It is an arithmetic number, because the mean of its divisors is an integer number (2548861420).

Almost surely, 230836020436 is an apocalyptic number.

It is an amenable number.

30836020436 is a deficient number, since it is larger than the sum of its proper divisors (30336653644).

30836020436 is a wasteful number, since it uses less digits than its factorization.

30836020436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31210583 (or 31210581 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 30836020436 in words is "thirty billion, eight hundred thirty-six million, twenty thousand, four hundred thirty-six".

Divisors: 1 2 4 13 19 26 38 52 76 247 494 988 31210547 62421094 124842188 405737111 593000393 811474222 1186000786 1622948444 2372001572 7709005109 15418010218 30836020436