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3748946853 = 31249648951
BaseRepresentation
bin1101111101110100…
…0110001110100101
3100200021022020021110
43133131012032211
530134212244403
61420000535233
7161621344131
oct33735061645
910607266243
103748946853
111654201293
12887621519
13479900862
14277c823c1
1516e1d4103
hexdf7463a5

3748946853 has 4 divisors (see below), whose sum is σ = 4998595808. Its totient is φ = 2499297900.

The previous prime is 3748946843. The next prime is 3748946857. The reversal of 3748946853 is 3586498473.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3748946853 - 24 = 3748946837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3748946793 and 3748946802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3748946857) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 624824473 + ... + 624824478.

It is an arithmetic number, because the mean of its divisors is an integer number (1249648952).

Almost surely, 23748946853 is an apocalyptic number.

It is an amenable number.

3748946853 is a deficient number, since it is larger than the sum of its proper divisors (1249648955).

3748946853 is a wasteful number, since it uses less digits than its factorization.

3748946853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249648954.

The product of its digits is 17418240, while the sum is 57.

The square root of 3748946853 is about 61228.6440565198. The cubic root of 3748946853 is about 1553.4708005780.

The spelling of 3748946853 in words is "three billion, seven hundred forty-eight million, nine hundred forty-six thousand, eight hundred fifty-three".

Divisors: 1 3 1249648951 3748946853