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8378041268872 = 2311234139348453
BaseRepresentation
bin111100111101010101000…
…1011000111101010001000
31002122221012002201122122001
41321322222023013222020
52044231212031100442
625452452524240344
71523202446533042
oct171725213075210
932587162648561
108378041268872
11274011a976960
12b338790a00b4
1348a079acc772
1420d6dc364a92
15e7deab832b7
hex79eaa2c7a88

8378041268872 has 32 divisors (see below), whose sum is σ = 17881985321280. Its totient is φ = 3642626637760.

The previous prime is 8378041268801. The next prime is 8378041268879. The reversal of 8378041268872 is 2788621408738.

It is not an unprimeable number, because it can be changed into a prime (8378041268879) 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, 2069672203 + ... + 2069676250.

It is an arithmetic number, because the mean of its divisors is an integer number (558812041290).

Almost surely, 28378041268872 is an apocalyptic number.

It is an amenable number.

8378041268872 is an abundant number, since it is smaller than the sum of its proper divisors (9503944052408).

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

8378041268872 is a wasteful number, since it uses less digits than its factorization.

8378041268872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4139348493 (or 4139348489 counting only the distinct ones).

The product of its (nonzero) digits is 57802752, while the sum is 64.

The spelling of 8378041268872 in words is "eight trillion, three hundred seventy-eight billion, forty-one million, two hundred sixty-eight thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 11 22 23 44 46 88 92 184 253 506 1012 2024 4139348453 8278696906 16557393812 33114787624 45532832983 91065665966 95205014419 182131331932 190410028838 364262663864 380820057676 761640115352 1047255158609 2094510317218 4189020634436 8378041268872