Search a number
-
+
140213201230231 = 1011388249517131
BaseRepresentation
bin11111111000010111101110…
…000011010101100110010111
3200101110020210001222012112121
4133320113232003111212113
5121334223114003331411
61214113015545200411
741351032556610553
oct3770275603254627
9611406701865477
10140213201230231
11407490a2820078
1213886311490107
1360310819c97bc
14268a4d875a863
1511324018b1571
hex7f85ee0d5997

140213201230231 has 4 divisors (see below), whose sum is σ = 141601450747464. Its totient is φ = 138824951713000.

The previous prime is 140213201230229. The next prime is 140213201230241. The reversal of 140213201230231 is 132032102312041.

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 140213201230231 - 21 = 140213201230229 is a prime.

It is a super-2 number, since 2×1402132012302312 (a number of 29 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 = 140213201230196 and 140213201230205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140213201230241) 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, 694124758465 + ... + 694124758666.

It is an arithmetic number, because the mean of its divisors is an integer number (35400362686866).

Almost surely, 2140213201230231 is an apocalyptic number.

140213201230231 is a deficient number, since it is larger than the sum of its proper divisors (1388249517233).

140213201230231 is a wasteful number, since it uses less digits than its factorization.

140213201230231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388249517232.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 140213201230231 its reverse (132032102312041), we get a palindrome (272245303542272).

The spelling of 140213201230231 in words is "one hundred forty trillion, two hundred thirteen billion, two hundred one million, two hundred thirty thousand, two hundred thirty-one".

Divisors: 1 101 1388249517131 140213201230231