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140012030431 = 7132839475741
BaseRepresentation
bin1000001001100101011…
…1100000100111011111
3111101101200100002101201
42002121113200213133
54243221034433211
6144153131420331
713054425423310
oct2023127404737
9441350302351
10140012030431
1154419160849
12231758b46a7
1310284214ab0
146ac3080607
153996ceb0c1
hex20995e09df

140012030431 has 32 divisors (see below), whose sum is σ = 173144176128. Its totient is φ = 110251532160.

The previous prime is 140012030429. The next prime is 140012030467. The reversal of 140012030431 is 134030210041.

140012030431 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 140012030431 - 21 = 140012030429 is a prime.

It is a super-2 number, since 2×1400120304312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140012030399 and 140012030408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140012031431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24385221 + ... + 24390961.

It is an arithmetic number, because the mean of its divisors is an integer number (5410755504).

Almost surely, 2140012030431 is an apocalyptic number.

140012030431 is a deficient number, since it is larger than the sum of its proper divisors (33132145697).

140012030431 is a wasteful number, since it uses less digits than its factorization.

140012030431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6991.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 140012030431 its reverse (134030210041), we get a palindrome (274042240472).

The spelling of 140012030431 in words is "one hundred forty billion, twelve million, thirty thousand, four hundred thirty-one".

Divisors: 1 7 13 91 283 947 1981 3679 5741 6629 12311 25753 40187 74633 86177 268001 522431 1624703 1876007 3484013 5436727 11372921 21121139 24388091 38057089 70677451 147847973 494742157 1538593741 10770156187 20001718633 140012030431