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6927945145801 = 26320992
BaseRepresentation
bin110010011010000100110…
…1101011001110111001001
3220112022020102001010110121
41210310021231121313021
51402001412424131201
622422353135543241
71313345640053041
oct144641155316711
926468212033417
106927945145801
112231141472969
1293a82298ab21
133b33c156bc24
1419d458766721
15c03299e29a1
hex64d09b59dc9

6927945145801 has 3 divisors (see below), whose sum is σ = 6927947777901. Its totient is φ = 6927942513702.

The previous prime is 6927945145763. The next prime is 6927945145879. The reversal of 6927945145801 is 1085415497296.

The square root of 6927945145801 is 2632099.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 6927945145801 - 229 = 6927408274889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6927945145801.

It is not an unprimeable number, because it can be changed into a prime (6927945148801) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1316050 + ... + 3948148.

It is an arithmetic number, because the mean of its divisors is an integer number (2309315925967).

Almost surely, 26927945145801 is an apocalyptic number.

6927945145801 is the 2632099-th square number.

6927945145801 is the 1316050-th centered octagonal number.

It is an amenable number.

6927945145801 is a deficient number, since it is larger than the sum of its proper divisors (2632100).

6927945145801 is an frugal number, since it uses more digits than its factorization.

6927945145801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5264198 (or 2632099 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 61.

The spelling of 6927945145801 in words is "six trillion, nine hundred twenty-seven billion, nine hundred forty-five million, one hundred forty-five thousand, eight hundred one".

Divisors: 1 2632099 6927945145801