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4145213793868 = 227148043349781
BaseRepresentation
bin111100010100100001111…
…111101110011001001100
3112200021112002001202021221
4330110201333232121030
51020403344212400433
612452141313333124
7605324155614460
oct74244177563114
915607462052257
104145213793868
111358a80137264
1256b4538671a4
13240b798c2c54
141048b51a24a0
1572c5e7b472d
hex3c521fee64c

4145213793868 has 12 divisors (see below), whose sum is σ = 8290427587792. Its totient is φ = 1776520197360.

The previous prime is 4145213793839. The next prime is 4145213793869. The reversal of 4145213793868 is 8683973125414.

4145213793868 is an admirable number.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4145213793869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74021674863 + ... + 74021674918.

Almost surely, 24145213793868 is an apocalyptic number.

It is an amenable number.

4145213793868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4145213793868 is a wasteful number, since it uses less digits than its factorization.

4145213793868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148043349792 (or 148043349790 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 61.

The spelling of 4145213793868 in words is "four trillion, one hundred forty-five billion, two hundred thirteen million, seven hundred ninety-three thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 14 28 148043349781 296086699562 592173399124 1036303448467 2072606896934 4145213793868