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140030311401 = 3215558923489
BaseRepresentation
bin1000001001101001110…
…1001111101111101001
3111101102221201212011200
42002122131033233221
54243240224431101
6144155023314413
713055040002511
oct2023235175751
9441387655150
10140030311401
1154428507592
122317ba4ba09
1310287c45936
146ac567c841
15399870c986
hex209a74fbe9

140030311401 has 6 divisors (see below), whose sum is σ = 202266005370. Its totient is φ = 93353540928.

The previous prime is 140030311387. The next prime is 140030311403. The reversal of 140030311401 is 104113030041.

It can be written as a sum of positive squares in only one way, i.e., 139968767376 + 61544025 = 374124^2 + 7845^2 .

It is not a de Polignac number, because 140030311401 - 219 = 140029787113 is a prime.

It is a super-2 number, since 2×1400303114012 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140030311403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7779461736 + ... + 7779461753.

It is an arithmetic number, because the mean of its divisors is an integer number (33711000895).

Almost surely, 2140030311401 is an apocalyptic number.

It is an amenable number.

140030311401 is a deficient number, since it is larger than the sum of its proper divisors (62235693969).

140030311401 is a wasteful number, since it uses less digits than its factorization.

140030311401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15558923495 (or 15558923492 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 140030311401 its reverse (104113030041), we get a palindrome (244143341442).

The spelling of 140030311401 in words is "one hundred forty billion, thirty million, three hundred eleven thousand, four hundred one".

Divisors: 1 3 9 15558923489 46676770467 140030311401