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4155140140 = 225207757007
BaseRepresentation
bin1111011110101010…
…0110100000101100
3101201120121222201021
43313222212200230
532002203441030
61524151023524
7204653052124
oct36752464054
911646558637
104155140140
111842517318
1297b66aba4
13512b00108
142b5bb9c84
15194bbc97a
hexf7aa682c

4155140140 has 12 divisors (see below), whose sum is σ = 8725794336. Its totient is φ = 1662056048.

The previous prime is 4155140131. The next prime is 4155140167. The reversal of 4155140140 is 410415514.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103878484 + ... + 103878523.

It is an arithmetic number, because the mean of its divisors is an integer number (727149528).

Almost surely, 24155140140 is an apocalyptic number.

It is an amenable number.

4155140140 is an abundant number, since it is smaller than the sum of its proper divisors (4570654196).

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

4155140140 is a wasteful number, since it uses less digits than its factorization.

4155140140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207757016 (or 207757014 counting only the distinct ones).

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

The square root of 4155140140 is about 64460.3765114663. The cubic root of 4155140140 is about 1607.6637720767.

Adding to 4155140140 its reverse (410415514), we get a palindrome (4565555654).

The spelling of 4155140140 in words is "four billion, one hundred fifty-five million, one hundred forty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 207757007 415514014 831028028 1038785035 2077570070 4155140140