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140707230021 = 32294311250831
BaseRepresentation
bin1000001100001011001…
…1011111000101000101
3111110012010110212221200
42003002303133011011
54301132022330041
6144350124133113
713110566502261
oct2030263370505
9443163425850
10140707230021
1154745621566
122332a697199
13103652631b7
146b4b5290a1
1539d7d711b6
hex20c2cdf145

140707230021 has 24 divisors (see below), whose sum is σ = 210740175360. Its totient is φ = 90359959200.

The previous prime is 140707230007. The next prime is 140707230073. The reversal of 140707230021 is 120032707041.

It is a happy number.

140707230021 is a `hidden beast` number, since 1 + 407 + 0 + 7 + 230 + 0 + 21 = 666.

It is not a de Polignac number, because 140707230021 - 25 = 140707229989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140707230121) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 512925 + ... + 737906.

It is an arithmetic number, because the mean of its divisors is an integer number (8780840640).

Almost surely, 2140707230021 is an apocalyptic number.

It is an amenable number.

140707230021 is a deficient number, since it is larger than the sum of its proper divisors (70032945339).

140707230021 is a wasteful number, since it uses less digits than its factorization.

140707230021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251297 (or 1251294 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

Adding to 140707230021 its reverse (120032707041), we get a palindrome (260739937062).

The spelling of 140707230021 in words is "one hundred forty billion, seven hundred seven million, two hundred thirty thousand, twenty-one".

Divisors: 1 3 9 29 87 261 431 1293 3879 12499 37497 112491 1250831 3752493 11257479 36274099 108822297 326466891 539108161 1617324483 4851973449 15634136669 46902410007 140707230021