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2142531890890 = 25738233566191
BaseRepresentation
bin11111001011011000110…
…110100010111011001010
321120211020201202010001221
4133023120312202323022
5240100401131002030
64320133210032254
7310535636405326
oct37133066427312
97524221663057
102142531890890
11756708440036
122a72a171868a
13127069840351
14759b0470986
153aaeb128e7a
hex1f2d8da2eca

2142531890890 has 32 divisors (see below), whose sum is σ = 3914138221056. Its totient is φ = 844245555840.

The previous prime is 2142531890869. The next prime is 2142531890903. The reversal of 2142531890890 is 980981352412.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1182306 + ... + 2383885.

It is an arithmetic number, because the mean of its divisors is an integer number (122316819408).

Almost surely, 22142531890890 is an apocalyptic number.

2142531890890 is a deficient number, since it is larger than the sum of its proper divisors (1771606330166).

2142531890890 is a wasteful number, since it uses less digits than its factorization.

2142531890890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3567094.

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 2142531890890 in words is "two trillion, one hundred forty-two billion, five hundred thirty-one million, eight hundred ninety thousand, eight hundred ninety".

Divisors: 1 2 5 10 73 146 365 730 823 1646 4115 8230 60079 120158 300395 600790 3566191 7132382 17830955 35661910 260331943 520663886 1301659715 2603319430 2934975193 5869950386 14674875965 29349751930 214253189089 428506378178 1071265945445 2142531890890