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2774948494772 = 221016868684393
BaseRepresentation
bin101000011000010111110…
…100011011110110110100
3100211021121221011021020202
4220120113310123312310
5330431043303313042
65522443240420032
7404324545011506
oct50302764336664
910737557137222
102774948494772
1197a93809a953
12389978777618
131718a4412c6c
1498445aa1d76
154c2b1d26632
hex28617d1bdb4

2774948494772 has 12 divisors (see below), whose sum is σ = 4904240657316. Its totient is φ = 1373736878400.

The previous prime is 2774948494679. The next prime is 2774948494781.

2774948494772 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 2265946153636 + 509002341136 = 1505306^2 + 713444^2 .

It is a super-2 number, since 2×27749484947722 (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2774948494772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3434341793 + ... + 3434342600.

It is an arithmetic number, because the mean of its divisors is an integer number (408686721443).

Almost surely, 22774948494772 is an apocalyptic number.

It is an amenable number.

2774948494772 is a deficient number, since it is larger than the sum of its proper divisors (2129292162544).

2774948494772 is a wasteful number, since it uses less digits than its factorization.

2774948494772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6868684498 (or 6868684496 counting only the distinct ones).

The product of its digits is 1593188352, while the sum is 74.

The spelling of 2774948494772 in words is "two trillion, seven hundred seventy-four billion, nine hundred forty-eight million, four hundred ninety-four thousand, seven hundred seventy-two".

Divisors: 1 2 4 101 202 404 6868684393 13737368786 27474737572 693737123693 1387474247386 2774948494772