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2742547144 = 231619211747
BaseRepresentation
bin1010001101110111…
…1111001011001000
321002010120211102011
42203131333023020
521104043002034
61132050145304
7124651160161
oct24335771310
97063524364
102742547144
111188107297
12646582234
1334926277c
141c034a768
15110b8b864
hexa377f2c8

2742547144 has 16 divisors (see below), whose sum is σ = 5145476400. Its totient is φ = 1370420112.

The previous prime is 2742547141. The next prime is 2742547187. The reversal of 2742547144 is 4417452472.

It is a junction number, because it is equal to n+sod(n) for n = 2742547097 and 2742547106.

It is not an unprimeable number, because it can be changed into a prime (2742547141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92922 + ... + 118825.

It is an arithmetic number, because the mean of its divisors is an integer number (321592275).

Almost surely, 22742547144 is an apocalyptic number.

It is an amenable number.

2742547144 is a deficient number, since it is larger than the sum of its proper divisors (2402929256).

2742547144 is a wasteful number, since it uses less digits than its factorization.

2742547144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213372 (or 213368 counting only the distinct ones).

The product of its digits is 250880, while the sum is 40.

The square root of 2742547144 is about 52369.3340037851. The cubic root of 2742547144 is about 1399.7528720258.

The spelling of 2742547144 in words is "two billion, seven hundred forty-two million, five hundred forty-seven thousand, one hundred forty-four".

Divisors: 1 2 4 8 1619 3238 6476 12952 211747 423494 846988 1693976 342818393 685636786 1371273572 2742547144