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348021383831 = 1136238732627
BaseRepresentation
bin1010001000001111011…
…00001110001010010111
31020021022012122002020122
411010013230032022113
521200221433240311
6423513454022155
734100202645002
oct5040754161227
91207265562218
10348021383831
1112465aaa8780
12575477a795b
1326a839a0524
1412bb6b82539
1590bd4b70db
hex5107b0e297

348021383831 has 8 divisors (see below), whose sum is σ = 379764526464. Its totient is φ = 316295713720.

The previous prime is 348021383813. The next prime is 348021383833. The reversal of 348021383831 is 138383120843.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-348021383831 is a prime.

It is a super-2 number, since 2×3480213838312 (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 (348021383833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4326461 + ... + 4406166.

It is an arithmetic number, because the mean of its divisors is an integer number (47470565808).

Almost surely, 2348021383831 is an apocalyptic number.

348021383831 is a deficient number, since it is larger than the sum of its proper divisors (31743142633).

348021383831 is a wasteful number, since it uses less digits than its factorization.

348021383831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8736261.

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 348021383831 in words is "three hundred forty-eight billion, twenty-one million, three hundred eighty-three thousand, eight hundred thirty-one".

Divisors: 1 11 3623 39853 8732627 96058897 31638307621 348021383831