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3144747404757 = 371937657209299
BaseRepresentation
bin101101110000110001100…
…011010100110111010101
3102010122010212001022020010
4231300301203110313111
5403010420313423012
610404402122430433
7443125525616430
oct55606143246725
912118125038203
103144747404757
111002752a21322
12429581662419
1319a718b0ca2a
14ac2c6c32817
1556c07123c3c
hex2dc318d4dd5

3144747404757 has 32 divisors (see below), whose sum is σ = 5044364416000. Its totient is φ = 1702366305408.

The previous prime is 3144747404753. The next prime is 3144747404809. The reversal of 3144747404757 is 7574047474413.

It is not a de Polignac number, because 3144747404757 - 22 = 3144747404753 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 3144747404697 and 3144747404706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144747404753) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14920494 + ... + 15129792.

It is an arithmetic number, because the mean of its divisors is an integer number (157636388000).

Almost surely, 23144747404757 is an apocalyptic number.

It is an amenable number.

3144747404757 is a deficient number, since it is larger than the sum of its proper divisors (1899617011243).

3144747404757 is a wasteful number, since it uses less digits than its factorization.

3144747404757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246985.

The product of its (nonzero) digits is 36879360, while the sum is 57.

The spelling of 3144747404757 in words is "three trillion, one hundred forty-four billion, seven hundred forty-seven million, four hundred four thousand, seven hundred fifty-seven".

Divisors: 1 3 7 19 21 57 133 399 37657 112971 209299 263599 627897 715483 790797 1465093 2146449 3976681 4395279 5008381 11930043 15025143 27836767 83510301 7881572443 23644717329 55171007101 149749876417 165513021303 449249629251 1048249134919 3144747404757