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140122055 = 51929181281
BaseRepresentation
bin10000101101000…
…01011111000111
3100202122221022202
420112201133013
5241332401210
621523145115
73321006053
oct1026413707
9322587282
10140122055
1172105857
123ab1519b
1323050a78
1414876c63
15c47c9a5
hex85a17c7

140122055 has 32 divisors (see below), whose sum is σ = 184766400. Its totient is φ = 101606400.

The previous prime is 140122043. The next prime is 140122057. The reversal of 140122055 is 550221041.

140122055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 140122055 - 28 = 140121799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140122057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 498515 + ... + 498795.

It is an arithmetic number, because the mean of its divisors is an integer number (5773950).

Almost surely, 2140122055 is an apocalyptic number.

140122055 is a deficient number, since it is larger than the sum of its proper divisors (44644345).

140122055 is a wasteful number, since it uses less digits than its factorization.

140122055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 140122055 is about 11837.3162076545. The cubic root of 140122055 is about 519.4002639419.

Adding to 140122055 its reverse (550221041), we get a palindrome (690343096).

The spelling of 140122055 in words is "one hundred forty million, one hundred twenty-two thousand, fifty-five".

Divisors: 1 5 19 29 95 145 181 281 551 905 1405 2755 3439 5249 5339 8149 17195 26245 26695 40745 50861 99731 154831 254305 498655 774155 966359 1474969 4831795 7374845 28024411 140122055