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8380343247 = 310925627961
BaseRepresentation
bin1111100111000000…
…11110001111001111
3210122001002112202020
413303200132033033
5114130331440442
63503323501223
7414446512413
oct76340361717
923561075666
108380343247
113610537a11
12175a687813
13a372915b3
14596dd2d43
15340ac99ec
hex1f381e3cf

8380343247 has 8 divisors (see below), whose sum is σ = 11276303280. Its totient is φ = 5535639360.

The previous prime is 8380343233. The next prime is 8380343263. The reversal of 8380343247 is 7423430838.

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

It is not a de Polignac number, because 8380343247 - 28 = 8380342991 is a prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 8380343199 and 8380343208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8380343267) 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, 12813654 + ... + 12814307.

It is an arithmetic number, because the mean of its divisors is an integer number (1409537910).

Almost surely, 28380343247 is an apocalyptic number.

8380343247 is a deficient number, since it is larger than the sum of its proper divisors (2895960033).

8380343247 is a wasteful number, since it uses less digits than its factorization.

8380343247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25628073.

The product of its (nonzero) digits is 387072, while the sum is 42.

The square root of 8380343247 is about 91544.2147107069. The cubic root of 8380343247 is about 2031.2058361150.

The spelling of 8380343247 in words is "eight billion, three hundred eighty million, three hundred forty-three thousand, two hundred forty-seven".

Divisors: 1 3 109 327 25627961 76883883 2793447749 8380343247