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8165093442 = 2311433977247
BaseRepresentation
bin1111001101010110…
…10111000001000010
3210002001001201112020
413212223113001002
5113210230442232
63430114142310
7406224102102
oct74653270102
923061051466
108165093442
11350aa89610
1216ba581996
13a017c804c
145765a1202
1532bc5be2c
hex1e6ad7042

8165093442 has 64 divisors (see below), whose sum is σ = 18277484544. Its totient is φ = 2410309440.

The previous prime is 8165093423. The next prime is 8165093479. The reversal of 8165093442 is 2443905618.

It is a junction number, because it is equal to n+sod(n) for n = 8165093394 and 8165093403.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1123063 + ... + 1130309.

It is an arithmetic number, because the mean of its divisors is an integer number (285585696).

Almost surely, 28165093442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8165093442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9138742272).

8165093442 is an abundant number, since it is smaller than the sum of its proper divisors (10112391102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8165093442 is a wasteful number, since it uses less digits than its factorization.

8165093442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7703.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 8165093442 is about 90360.9066023576. The cubic root of 8165093442 is about 2013.6642187909.

The spelling of 8165093442 in words is "eight billion, one hundred sixty-five million, ninety-three thousand, four hundred forty-two".

Divisors: 1 2 3 6 11 22 33 43 66 86 129 258 397 473 794 946 1191 1419 2382 2838 4367 7247 8734 13101 14494 17071 21741 26202 34142 43482 51213 79717 102426 159434 187781 239151 311621 375562 478302 563343 623242 934863 1126686 1869726 2877059 3427831 5754118 6855662 8631177 10283493 17262354 20566986 31647649 63295298 94942947 123713537 189885894 247427074 371140611 742281222 1360848907 2721697814 4082546721 8165093442