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6850379405 = 53719368399
BaseRepresentation
bin1100110000101000…
…00111111010001101
3122200102012022220202
412120110013322031
5103012144120110
63051431223245
7331521156422
oct63024077215
918612168822
106850379405
1129a5951491
1213b2217b25
1385230a94c
1448db2dd49
152a16120a5
hex198507e8d

6850379405 has 8 divisors (see below), whose sum is σ = 8222688000. Its totient is φ = 5478815056.

The previous prime is 6850379399. The next prime is 6850379429. The reversal of 6850379405 is 5049730586.

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

It is a cyclic number.

It is not a de Polignac number, because 6850379405 - 212 = 6850375309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6850379405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165605 + ... + 202794.

It is an arithmetic number, because the mean of its divisors is an integer number (1027836000).

Almost surely, 26850379405 is an apocalyptic number.

It is an amenable number.

6850379405 is a deficient number, since it is larger than the sum of its proper divisors (1372308595).

6850379405 is a wasteful number, since it uses less digits than its factorization.

6850379405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372123.

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 6850379405 is about 82767.0188239253. The cubic root of 6850379405 is about 1899.2036741400.

The spelling of 6850379405 in words is "six billion, eight hundred fifty million, three hundred seventy-nine thousand, four hundred five".

Divisors: 1 5 3719 18595 368399 1841995 1370075881 6850379405