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3103312693 = 13219966463
BaseRepresentation
bin1011100011111000…
…1100101100110101
322000021102121201011
42320332030230311
522323422001233
61231534432221
7136621502605
oct27076145465
98007377634
103103312693
111352814838
12727362671
133a5c17b00
1421621ac05
151326a00cd
hexb8f8cb35

3103312693 has 12 divisors (see below), whose sum is σ = 3537258240. Its totient is φ = 2713825296.

The previous prime is 3103312679. The next prime is 3103312703. The reversal of 3103312693 is 3962133013.

It is not a de Polignac number, because 3103312693 - 217 = 3103181621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3103312613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 480021 + ... + 486442.

It is an arithmetic number, because the mean of its divisors is an integer number (294771520).

Almost surely, 23103312693 is an apocalyptic number.

It is an amenable number.

3103312693 is a deficient number, since it is larger than the sum of its proper divisors (433945547).

3103312693 is a wasteful number, since it uses less digits than its factorization.

3103312693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966508 (or 966495 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 31.

The square root of 3103312693 is about 55707.3845463956. The cubic root of 3103312693 is about 1458.6189312312.

The spelling of 3103312693 in words is "three billion, one hundred three million, three hundred twelve thousand, six hundred ninety-three".

Divisors: 1 13 19 169 247 3211 966463 12564019 18362797 163332247 238716361 3103312693