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38430332085 = 352988345591
BaseRepresentation
bin100011110010101000…
…000101010010110101
310200012021110010220210
4203302220011102311
51112201131111320
625353223220033
72530224301335
oct436250052265
9120167403823
1038430332085
1115330a14332
1275462a7619
133815b09992
141c07d310c5
15eedcca0e0
hex8f2a054b5

38430332085 has 16 divisors (see below), whose sum is σ = 63608826240. Its totient is φ = 19789412160.

The previous prime is 38430332081. The next prime is 38430332089. The reversal of 38430332085 is 58023303483.

It is an interprime number because it is at equal distance from previous prime (38430332081) and next prime (38430332089).

It is not a de Polignac number, because 38430332085 - 22 = 38430332081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38430332081) 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, 44172361 + ... + 44173230.

It is an arithmetic number, because the mean of its divisors is an integer number (3975551640).

Almost surely, 238430332085 is an apocalyptic number.

It is an amenable number.

38430332085 is a deficient number, since it is larger than the sum of its proper divisors (25178494155).

38430332085 is a wasteful number, since it uses less digits than its factorization.

38430332085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88345628.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 38430332085 in words is "thirty-eight billion, four hundred thirty million, three hundred thirty-two thousand, eighty-five".

Divisors: 1 3 5 15 29 87 145 435 88345591 265036773 441727955 1325183865 2562022139 7686066417 12810110695 38430332085