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2745210023140 = 2251319555710531
BaseRepresentation
bin100111111100101011010…
…001001010110011100100
3100201102212101222101100111
4213330223101022303210
5324434142231220030
65501044310022404
7402222602121154
oct47745321126344
910642771871314
102745210023140
11969267543a72
12384059347a04
1316bb452989a0
1496c24294764
154b62115c62a
hex27f2b44ace4

2745210023140 has 48 divisors (see below), whose sum is σ = 6535155856320. Its totient is φ = 960267795840.

The previous prime is 2745210023117. The next prime is 2745210023161. The reversal of 2745210023140 is 413200125472.

It is a happy number.

It is a super-2 number, since 2×27452100231402 (a number of 26 digits) contains 22 as substring.

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, 277850326 + ... + 277860205.

It is an arithmetic number, because the mean of its divisors is an integer number (136149080340).

Almost surely, 22745210023140 is an apocalyptic number.

2745210023140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2745210023140 is an abundant number, since it is smaller than the sum of its proper divisors (3789945833180).

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

2745210023140 is a wasteful number, since it uses less digits than its factorization.

2745210023140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555710572 (or 555710570 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 2745210023140 in words is "two trillion, seven hundred forty-five billion, two hundred ten million, twenty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 19 20 26 38 52 65 76 95 130 190 247 260 380 494 988 1235 2470 4940 555710531 1111421062 2222842124 2778552655 5557105310 7224236903 10558500089 11114210620 14448473806 21117000178 28896947612 36121184515 42234000356 52792500445 72242369030 105585000890 137260501157 144484738060 211170001780 274521002314 549042004628 686302505785 1372605011570 2745210023140