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140202214031 = 1112745655821
BaseRepresentation
bin1000001010010010110…
…1000000001010001111
3111101212221012102020202
42002210231000022033
54244113231322111
6144224044004115
713062225104405
oct2024455001217
9441787172222
10140202214031
1154506549580
122320953063b
13102b4742c79
146b00429475
1539a8866b3b
hex20a4b4028f

140202214031 has 4 divisors (see below), whose sum is σ = 152947869864. Its totient is φ = 127456558200.

The previous prime is 140202214013. The next prime is 140202214039. The reversal of 140202214031 is 130412202041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140202214031 - 210 = 140202213007 is a prime.

It is a super-2 number, since 2×1402022140312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140202213994 and 140202214012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140202214039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6372827900 + ... + 6372827921.

It is an arithmetic number, because the mean of its divisors is an integer number (38236967466).

Almost surely, 2140202214031 is an apocalyptic number.

140202214031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140202214031 is a deficient number, since it is larger than the sum of its proper divisors (12745655833).

140202214031 is a wasteful number, since it uses less digits than its factorization.

140202214031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12745655832.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 140202214031 its reverse (130412202041), we get a palindrome (270614416072).

The spelling of 140202214031 in words is "one hundred forty billion, two hundred two million, two hundred fourteen thousand, thirty-one".

Divisors: 1 11 12745655821 140202214031