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7057438549056 = 2636742512
BaseRepresentation
bin110011010110011000000…
…0111100010010001000000
3220222200111000201121000000
41212230300013202101000
51411112113232032211
623002050441000000
71325611622610000
oct146546007422100
926880430647000
107057438549056
11228105208a3a5
1295b941a83000
133c268a4bbb6c
141a5820840000
15c38a8138656
hex66b301e2440

7057438549056 has 735 divisors, whose sum is σ = 24593374324583. Its totient is φ = 2008377504000.

The previous prime is 7057438549027. The next prime is 7057438549079. The reversal of 7057438549056 is 6509458347507.

The square root of 7057438549056 is 2656584.

It is a perfect power (a square), and thus also a powerful number.

7057438549056 is a `hidden beast` number, since 7 + 0 + 5 + 7 + 4 + 38 + 549 + 0 + 56 = 666.

It is a super-2 number, since 2×70574385490562 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7057438548984 and 7057438549002.

It is an unprimeable number.

It is a polite number, since it can be written in 104 ways as a sum of consecutive naturals, for example, 28117284931 + ... + 28117285181.

Almost surely, 27057438549056 is an apocalyptic number.

7057438549056 is the 2656584-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7057438549056

7057438549056 is an abundant number, since it is smaller than the sum of its proper divisors (17535935775527).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7057438549056 is an frugal number, since it uses more digits than its factorization.

7057438549056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 127008000, while the sum is 63.

The spelling of 7057438549056 in words is "seven trillion, fifty-seven billion, four hundred thirty-eight million, five hundred forty-nine thousand, fifty-six".