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3747431713 = 73193326557
BaseRepresentation
bin1101111101011101…
…0100010100100001
3100200011110020220011
43133113110110201
530133320303323
61415504244521
7161602433614
oct33727242441
910604406804
103747431713
111653366a03
12887010741
134794c001c
142779aa17b
1516ded520d
hexdf5d4521

3747431713 has 8 divisors (see below), whose sum is σ = 3800874728. Its totient is φ = 3694045824.

The previous prime is 3747431641. The next prime is 3747431717. The reversal of 3747431713 is 3171347473.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 845239329 + 2902192384 = 29073^2 + 53872^2 .

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 3747431713 - 213 = 3747423521 is a prime.

It is a super-2 number, since 2×37474317132 = 28086488887196228738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3747431717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127831 + ... + 154387.

It is an arithmetic number, because the mean of its divisors is an integer number (475109341).

Almost surely, 23747431713 is an apocalyptic number.

It is an amenable number.

3747431713 is a deficient number, since it is larger than the sum of its proper divisors (53443015).

3747431713 is a wasteful number, since it uses less digits than its factorization.

3747431713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28563.

The product of its digits is 148176, while the sum is 40.

The square root of 3747431713 is about 61216.2700023450. The cubic root of 3747431713 is about 1553.2614935380.

The spelling of 3747431713 in words is "three billion, seven hundred forty-seven million, four hundred thirty-one thousand, seven hundred thirteen".

Divisors: 1 73 1933 26557 141109 1938661 51334681 3747431713