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56491071441 = 372384293003
BaseRepresentation
bin110100100111001000…
…010101011111010001
312101210221220202200020
4310213020111133101
51411143203241231
641541315414053
74036621120200
oct644710253721
9171727822606
1056491071441
1121a59812102
12ab468b4329
1354337b58bc
142a3c84d237
151709680396
hexd272157d1

56491071441 has 12 divisors (see below), whose sum is σ = 87618804912. Its totient is φ = 32280612168.

The previous prime is 56491071409. The next prime is 56491071457. The reversal of 56491071441 is 14417019465.

56491071441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56491071441 - 25 = 56491071409 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 56491071393 and 56491071402.

It is not an unprimeable number, because it can be changed into a prime (56491071341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192146355 + ... + 192146648.

It is an arithmetic number, because the mean of its divisors is an integer number (7301567076).

Almost surely, 256491071441 is an apocalyptic number.

It is an amenable number.

56491071441 is a deficient number, since it is larger than the sum of its proper divisors (31127733471).

56491071441 is a wasteful number, since it uses less digits than its factorization.

56491071441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384293020 (or 384293013 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 56491071441 in words is "fifty-six billion, four hundred ninety-one million, seventy-one thousand, four hundred forty-one".

Divisors: 1 3 7 21 49 147 384293003 1152879009 2690051021 8070153063 18830357147 56491071441