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2144155102 = 283118110937
BaseRepresentation
bin111111111001101…
…0011010111011110
312112102121100211221
41333303103113132
513342400430402
6552432403554
7104064006025
oct17763232736
95472540757
102144155102
11a00357511
124ba0a65ba
132822aaa3b
14164aa18bc
15c838a337
hex7fcd35de

2144155102 has 16 divisors (see below), whose sum is σ = 3258036432. Its totient is φ = 1058167360.

The previous prime is 2144155081. The next prime is 2144155109. The reversal of 2144155102 is 2015514412.

It is a super-2 number, since 2×21441551022 = 9194802202865260808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144155109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190578 + ... + 201514.

It is an arithmetic number, because the mean of its divisors is an integer number (203627277).

Almost surely, 22144155102 is an apocalyptic number.

2144155102 is a deficient number, since it is larger than the sum of its proper divisors (1113881330).

2144155102 is a wasteful number, since it uses less digits than its factorization.

2144155102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12203.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 2144155102 is about 46305.0224273782. The cubic root of 2144155102 is about 1289.4922389204.

Adding to 2144155102 its reverse (2015514412), we get a palindrome (4159669514).

The spelling of 2144155102 in words is "two billion, one hundred forty-four million, one hundred fifty-five thousand, one hundred two".

Divisors: 1 2 83 166 1181 2362 10937 21874 98023 196046 907771 1815542 12916597 25833194 1072077551 2144155102