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3811001668142 = 23161467768841
BaseRepresentation
bin110111011101010001011…
…001101001001000101110
3111111022212020222122221012
4313131101121221020232
5444414412411340032
612034425555505222
7542223113460254
oct67352131511056
914438766878835
103811001668142
11123a2670a8599
125167208b8212
132184b6b69286
14d264c4445d4
15691ed8046b2
hex3775166922e

3811001668142 has 8 divisors (see below), whose sum is σ = 5900905808832. Its totient is φ = 1844033065200.

The previous prime is 3811001668109. The next prime is 3811001668157. The reversal of 3811001668142 is 2418661001183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×38110016681422 (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3811001668142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30733884359 + ... + 30733884482.

It is an arithmetic number, because the mean of its divisors is an integer number (737613226104).

Almost surely, 23811001668142 is an apocalyptic number.

3811001668142 is a deficient number, since it is larger than the sum of its proper divisors (2089904140690).

3811001668142 is a wasteful number, since it uses less digits than its factorization.

3811001668142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61467768874.

The product of its (nonzero) digits is 55296, while the sum is 41.

The spelling of 3811001668142 in words is "three trillion, eight hundred eleven billion, one million, six hundred sixty-eight thousand, one hundred forty-two".

Divisors: 1 2 31 62 61467768841 122935537682 1905500834071 3811001668142