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214311031242442 = 2107155515621221
BaseRepresentation
bin110000101110101000101100…
…111000110111111011001010
31001002210221020020201012212221
4300232220230320313323022
5211042232442444224232
62035445043435324254
763066314065635361
oct6056505470677312
91032727206635787
10214311031242442
1162316886071a22
1220052ab68b068a
13927759c587704
143acc9d02b87d8
1519b9ac5d0c897
hexc2ea2ce37eca

214311031242442 has 4 divisors (see below), whose sum is σ = 321466546863666. Its totient is φ = 107155515621220.

The previous prime is 214311031242433. The next prime is 214311031242493. The reversal of 214311031242442 is 244242130113412.

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

It can be written as a sum of positive squares in only one way, i.e., 212876591464681 + 1434439777761 = 14590291^2 + 1197681^2 .

It is a super-2 number, since 2×2143110312424422 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 214311031242398 and 214311031242407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53577757810609 + ... + 53577757810612.

Almost surely, 2214311031242442 is an apocalyptic number.

214311031242442 is a deficient number, since it is larger than the sum of its proper divisors (107155515621224).

214311031242442 is a wasteful number, since it uses less digits than its factorization.

214311031242442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107155515621223.

The product of its (nonzero) digits is 36864, while the sum is 34.

Adding to 214311031242442 its reverse (244242130113412), we get a palindrome (458553161355854).

The spelling of 214311031242442 in words is "two hundred fourteen trillion, three hundred eleven billion, thirty-one million, two hundred forty-two thousand, four hundred forty-two".

Divisors: 1 2 107155515621221 214311031242442