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78540150415701 = 31310718821028137
BaseRepresentation
bin10001110110111010001101…
…110001000010000101010101
3101022002100212010022022221210
4101312322031301002011111
540243300212001300301
6435012502541332033
722354224100313322
oct2166721561020525
9338070763268853
1078540150415701
1123030766410397
128985735567019
1334a93c5a14350
14155751388bb49
15913022388ad6
hex476e8dc42155

78540150415701 has 16 divisors (see below), whose sum is σ = 113829578178624. Its totient is φ = 47880695577984.

The previous prime is 78540150415691. The next prime is 78540150415759. The reversal of 78540150415701 is 10751405104587.

It is not a de Polignac number, because 78540150415701 - 26 = 78540150415637 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78540150413701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9410509896 + ... + 9410518241.

It is an arithmetic number, because the mean of its divisors is an integer number (7114348636164).

Almost surely, 278540150415701 is an apocalyptic number.

It is an amenable number.

78540150415701 is a deficient number, since it is larger than the sum of its proper divisors (35289427762923).

78540150415701 is a wasteful number, since it uses less digits than its factorization.

78540150415701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18821028260.

The product of its (nonzero) digits is 784000, while the sum is 48.

The spelling of 78540150415701 in words is "seventy-eight trillion, five hundred forty billion, one hundred fifty million, four hundred fifteen thousand, seven hundred one".

Divisors: 1 3 13 39 107 321 1391 4173 18821028137 56463084411 244673365781 734020097343 2013850010659 6041550031977 26180050138567 78540150415701