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2257960027801 = 15026512
BaseRepresentation
bin100000110110111000111…
…001111100011010011001
321222212012010011000102211
4200312320321330122121
5243443300231342201
64445143103355121
7322063232363662
oct40667071743231
97885163130384
102257960027801
117a0660630805
123057362b2aa1
13134c037ac38a
147b400522369
153db04a48651
hex20db8e7c699

2257960027801 has 3 divisors (see below), whose sum is σ = 2257961530453. Its totient is φ = 2257958525150.

The previous prime is 2257960027787. The next prime is 2257960027901. The reversal of 2257960027801 is 1087200697522.

The square root of 2257960027801 is 1502651.

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 2257960027801 - 29 = 2257960027289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2257960027601) 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, 751326 + ... + 2253976.

Almost surely, 22257960027801 is an apocalyptic number.

2257960027801 is the 1502651-st square number.

2257960027801 is the 751326-th centered octagonal number.

It is an amenable number.

2257960027801 is a deficient number, since it is larger than the sum of its proper divisors (1502652).

2257960027801 is an frugal number, since it uses more digits than its factorization.

2257960027801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005302 (or 1502651 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 49.

Multiplying 2257960027801 by its sum of digits (49), we get a square (110640041362249 = 105185572).

The spelling of 2257960027801 in words is "two trillion, two hundred fifty-seven billion, nine hundred sixty million, twenty-seven thousand, eight hundred one".

Divisors: 1 1502651 2257960027801