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308137247342 = 2977157695623
BaseRepresentation
bin1000111101111100110…
…10010100001001101110
31002110100121121000121022
410132332122110021232
520022031113403332
6353320054334142
731155633246461
oct4367632241156
91073317530538
10308137247342
11109753496701
124b87665a352
1323098927172
1410cb1b352d8
158036c6a212
hex47be69426e

308137247342 has 8 divisors (see below), whose sum is σ = 462678960816. Its totient is φ = 153910927072.

The previous prime is 308137247303. The next prime is 308137247351. The reversal of 308137247342 is 243742731803.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 308137247293 and 308137247302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78845858 + ... + 78849765.

It is an arithmetic number, because the mean of its divisors is an integer number (57834870102).

Almost surely, 2308137247342 is an apocalyptic number.

308137247342 is a deficient number, since it is larger than the sum of its proper divisors (154541713474).

308137247342 is a wasteful number, since it uses less digits than its factorization.

308137247342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157696602.

The product of its (nonzero) digits is 677376, while the sum is 44.

The spelling of 308137247342 in words is "three hundred eight billion, one hundred thirty-seven million, two hundred forty-seven thousand, three hundred forty-two".

Divisors: 1 2 977 1954 157695623 315391246 154068623671 308137247342