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28041041541918 = 2397376712790147
BaseRepresentation
bin1100110000000110100000…
…10100011111101100011110
310200021200211101202020221010
412120003100110133230132
512133411023113320133
6135345513204520050
75622620102262246
oct630032024375436
9120250741666833
1028041041541918
118a31158a16159
12318a6600b0026
131285349980c32
146cd29d54ab26
15339629e6d263
hex1980d051fb1e

28041041541918 has 32 divisors (see below), whose sum is σ = 56675294532864. Its totient is φ = 9248196448512.

The previous prime is 28041041541913. The next prime is 28041041542039. The reversal of 28041041541918 is 81914514014082.

It is a super-2 number, since 2×280410415419182 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28041041541911) 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, 4202680 + ... + 8587467.

It is an arithmetic number, because the mean of its divisors is an integer number (1771102954152).

Almost surely, 228041041541918 is an apocalyptic number.

28041041541918 is an abundant number, since it is smaller than the sum of its proper divisors (28634252990946).

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

28041041541918 is a wasteful number, since it uses less digits than its factorization.

28041041541918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12794016.

The product of its (nonzero) digits is 368640, while the sum is 48.

The spelling of 28041041541918 in words is "twenty-eight trillion, forty-one billion, forty-one million, five hundred forty-one thousand, nine hundred eighteen".

Divisors: 1 2 3 6 97 194 291 582 3767 7534 11301 22602 365399 730798 1096197 2192394 12790147 25580294 38370441 76740882 1240644259 2481288518 3721932777 7443865554 48180483749 96360967498 144541451247 289082902494 4673506923653 9347013847306 14020520770959 28041041541918