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3381248001649 = 7618414394109
BaseRepresentation
bin110001001101000010000…
…101100000011001110001
3102222020120222122102121111
4301031002011200121301
5420344243442023044
611105153543153321
7466200322542010
oct61150205403161
912866528572544
103381248001649
111093a85391181
12467385145841
131b6b091c371b
14b992083aa77
155ce49c3eb34
hex31342160671

3381248001649 has 16 divisors (see below), whose sum is σ = 3927720752640. Its totient is φ = 2850636720960.

The previous prime is 3381248001643. The next prime is 3381248001689. The reversal of 3381248001649 is 9461008421833.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-3381248001649 is a prime.

It is a super-2 number, since 2×33812480016492 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3381248001643) 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, 35882007 + ... + 35976115.

It is an arithmetic number, because the mean of its divisors is an integer number (245482547040).

Almost surely, 23381248001649 is an apocalyptic number.

It is an amenable number.

3381248001649 is a deficient number, since it is larger than the sum of its proper divisors (546472750991).

3381248001649 is an equidigital number, since it uses as much as digits as its factorization.

3381248001649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178320.

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 3381248001649 in words is "three trillion, three hundred eighty-one billion, two hundred forty-eight million, one thousand, six hundred forty-nine".

Divisors: 1 7 61 427 84143 94109 589001 658763 5132723 5740649 35929061 40184543 7918613587 55430295109 483035428807 3381248001649