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202142131024 = 2431735582803
BaseRepresentation
bin1011110001000010011…
…1000010001101010000
3201022202122002012211111
42330100213002031100
511302441341143044
6232510211223104
720414161522651
oct2742047021520
9638678065744
10202142131024
1178800a65a19
1233214ba7a94
13160a606b822
149ad87b7528
1553d155eb34
hex2f109c2350

202142131024 has 40 divisors (see below), whose sum is σ = 409822476032. Its totient is φ = 96470818560.

The previous prime is 202142131007. The next prime is 202142131027. The reversal of 202142131024 is 420131241202.

It is a super-2 number, since 2×2021421310242 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202142130986 and 202142131004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202142131027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2755194 + ... + 2827609.

Almost surely, 2202142131024 is an apocalyptic number.

It is an amenable number.

202142131024 is an abundant number, since it is smaller than the sum of its proper divisors (207680345008).

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

202142131024 is a wasteful number, since it uses less digits than its factorization.

202142131024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5582915 (or 5582909 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 202142131024 its reverse (420131241202), we get a palindrome (622273372226).

The spelling of 202142131024 in words is "two hundred two billion, one hundred forty-two million, one hundred thirty-one thousand, twenty-four".

Divisors: 1 2 4 8 16 31 62 73 124 146 248 292 496 584 1168 2263 4526 9052 18104 36208 5582803 11165606 22331212 44662424 89324848 173066893 346133786 407544619 692267572 815089238 1384535144 1630178476 2769070288 3260356952 6520713904 12633883189 25267766378 50535532756 101071065512 202142131024