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340154223031 = 72171201340007
BaseRepresentation
bin1001111001100101100…
…01011000100110110111
31012111222221011220110201
410330302301120212313
521033113440114111
6420133101301331
733401224122100
oct4746261304667
91174887156421
10340154223031
11121293211397
1255b10b64847
13260cbb2b2ac
141266bdb73a7
158cac9ab6c1
hex4f32c589b7

340154223031 has 24 divisors (see below), whose sum is σ = 419315546016. Its totient is φ = 274180838400.

The previous prime is 340154223011. The next prime is 340154223037. The reversal of 340154223031 is 130322451043.

It is a happy number.

It is not a de Polignac number, because 340154223031 - 29 = 340154222519 is a prime.

It is a super-2 number, since 2×3401542230312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340154223037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 830430 + ... + 1170436.

It is an arithmetic number, because the mean of its divisors is an integer number (17471481084).

Almost surely, 2340154223031 is an apocalyptic number.

340154223031 is a deficient number, since it is larger than the sum of its proper divisors (79161322985).

340154223031 is a wasteful number, since it uses less digits than its factorization.

340154223031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341239 (or 341232 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 340154223031 its reverse (130322451043), we get a palindrome (470476674074).

The spelling of 340154223031 in words is "three hundred forty billion, one hundred fifty-four million, two hundred twenty-three thousand, thirty-one".

Divisors: 1 7 17 49 119 833 1201 8407 20417 58849 142919 340007 1000433 2380049 5780119 16660343 40460833 283225831 408348407 2858438849 6941922919 20009071943 48593460433 340154223031