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10289172515456 = 2780384160277
BaseRepresentation
bin1001010110111010001001…
…1110010000101010000000
31100102122011010100002001102
42111232202132100222000
52322034211130443311
633514440335353532
72111240200230422
oct225564236205200
940378133302042
1010289172515456
11330768271298a
1211a213b0828a8
13598359a12a33
14277dda26a812
1512c9a1c8d43b
hex95ba2790a80

10289172515456 has 16 divisors (see below), whose sum is σ = 20497960870890. Its totient is φ = 5144586257664.

The previous prime is 10289172515449. The next prime is 10289172515459. The reversal of 10289172515456 is 65451527198201.

It can be written as a sum of positive squares in only one way, i.e., 6090115809856 + 4199056705600 = 2467816^2 + 2049160^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-3 number, since 3×102891725154563 (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (10289172515459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40192080011 + ... + 40192080266.

Almost surely, 210289172515456 is an apocalyptic number.

10289172515456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10289172515456 is a deficient number, since it is larger than the sum of its proper divisors (10208788355434).

10289172515456 is an frugal number, since it uses more digits than its factorization.

10289172515456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80384160291 (or 80384160279 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 56.

The spelling of 10289172515456 in words is "ten trillion, two hundred eighty-nine billion, one hundred seventy-two million, five hundred fifteen thousand, four hundred fifty-six".

Divisors: 1 2 4 8 16 32 64 128 80384160277 160768320554 321536641108 643073282216 1286146564432 2572293128864 5144586257728 10289172515456