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3749508495257 = 74994831072397
BaseRepresentation
bin110110100100000000000…
…111110011011110011001
3111021110010200201211001112
4312210000013303132121
5442412443133322012
611550300031430105
7534615213230660
oct66440007633631
914243120654045
103749508495257
111216180883658
1250681a985335
13212766c6a445
14cd697547dd7
15677eee55122
hex369001f3799

3749508495257 has 8 divisors (see below), whose sum is σ = 4285165141056. Its totient is φ = 3213854993232.

The previous prime is 3749508495251. The next prime is 3749508495307. The reversal of 3749508495257 is 7525948059473.

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 3749508495257 - 214 = 3749508478873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3749508495251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2960183 + ... + 4032579.

It is an arithmetic number, because the mean of its divisors is an integer number (535645642632).

Almost surely, 23749508495257 is an apocalyptic number.

It is an amenable number.

3749508495257 is a deficient number, since it is larger than the sum of its proper divisors (535656645799).

3749508495257 is a wasteful number, since it uses less digits than its factorization.

3749508495257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571887.

The product of its (nonzero) digits is 381024000, while the sum is 68.

The spelling of 3749508495257 in words is "three trillion, seven hundred forty-nine billion, five hundred eight million, four hundred ninety-five thousand, two hundred fifty-seven".

Divisors: 1 7 499483 1072397 3496381 7506779 535644070751 3749508495257