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2742562643442 = 233071987749323
BaseRepresentation
bin100111111010001101011…
…110001101110111110010
3100201012000220110120010120
4213322031132031313302
5324413232014042232
65455525455311110
7402100154555046
oct47721536156762
910635026416116
102742562643442
11968129128466
1238363a81b496
1316b81297721b
1496a5283c026
154b518a1d92c
hex27e8d78ddf2

2742562643442 has 32 divisors (see below), whose sum is σ = 5505768989952. Its totient is φ = 910749937104.

The previous prime is 2742562643437. The next prime is 2742562643467. The reversal of 2742562643442 is 2443462652472.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3285393 + ... + 4034715.

It is an arithmetic number, because the mean of its divisors is an integer number (172055280936).

Almost surely, 22742562643442 is an apocalyptic number.

2742562643442 is an abundant number, since it is smaller than the sum of its proper divisors (2763206346510).

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

2742562643442 is a wasteful number, since it uses less digits than its factorization.

2742562643442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751622.

The product of its digits is 15482880, while the sum is 51.

The spelling of 2742562643442 in words is "two trillion, seven hundred forty-two billion, five hundred sixty-two million, six hundred forty-three thousand, four hundred forty-two".

Divisors: 1 2 3 6 307 614 921 1842 1987 3974 5961 11922 610009 749323 1220018 1498646 1830027 2247969 3660054 4495938 230042161 460084322 690126483 1380252966 1488904801 2977809602 4466714403 8933428806 457093773907 914187547814 1371281321721 2742562643442