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78145826831041 = 292900479290507
BaseRepresentation
bin10001110001001010111110…
…001111111011101011000001
3101020200200001000220201221011
4101301022332033323223001
540220320123132043131
6434111410334400521
722313564303202214
oct2161127617735301
9336620030821834
1078145826831041
1122999505a96942
128921227360141
13347b173407068
1415423c754577b
15907b43eab0b1
hex4712be3fbac1

78145826831041 has 8 divisors (see below), whose sum is σ = 80840797931520. Its totient is φ = 75450874891728.

The previous prime is 78145826831003. The next prime is 78145826831063. The reversal of 78145826831041 is 14013862854187.

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 78145826831041 - 243 = 69349733808833 is a prime.

It is a super-2 number, since 2×781458268310412 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78145826831141) 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, 3766110 + ... + 13056616.

It is an arithmetic number, because the mean of its divisors is an integer number (10105099741440).

Almost surely, 278145826831041 is an apocalyptic number.

It is an amenable number.

78145826831041 is a deficient number, since it is larger than the sum of its proper divisors (2694971100479).

78145826831041 is a wasteful number, since it uses less digits than its factorization.

78145826831041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9580583.

The product of its (nonzero) digits is 10321920, while the sum is 58.

The spelling of 78145826831041 in words is "seventy-eight trillion, one hundred forty-five billion, eight hundred twenty-six million, eight hundred thirty-one thousand, forty-one".

Divisors: 1 29 290047 8411363 9290507 269424703 2694683683829 78145826831041