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2144742108507 = 32798672983769
BaseRepresentation
bin11111001101011100100…
…101110110110101011011
321121000221202122210122200
4133031130211312311123
5240114412434433012
64321140402421243
7310644465061425
oct37153445666533
97530852583580
102144742108507
11757642009269
122a77b9961823
1312732c70b61b
1475b3dc0b815
153abca1b33dc
hex1f35c976d5b

2144742108507 has 12 divisors (see below), whose sum is σ = 3098000650680. Its totient is φ = 1429809690528.

The previous prime is 2144742108491. The next prime is 2144742108547. The reversal of 2144742108507 is 7058012474412.

2144742108507 is a `hidden beast` number, since 2 + 144 + 7 + 421 + 0 + 85 + 0 + 7 = 666.

It is not a de Polignac number, because 2144742108507 - 24 = 2144742108491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2144742108547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 773082 + ... + 2210687.

It is an arithmetic number, because the mean of its divisors is an integer number (258166720890).

Almost surely, 22144742108507 is an apocalyptic number.

2144742108507 is a deficient number, since it is larger than the sum of its proper divisors (953258542173).

2144742108507 is a wasteful number, since it uses less digits than its factorization.

2144742108507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063642 (or 3063639 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The spelling of 2144742108507 in words is "two trillion, one hundred forty-four billion, seven hundred forty-two million, one hundred eight thousand, five hundred seven".

Divisors: 1 3 9 79867 239601 718803 2983769 8951307 26853921 238304678723 714914036169 2144742108507