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202240130142 = 23831093725731
BaseRepresentation
bin1011110001011001110…
…0110111110001011110
3201100000110111002100110
42330112130313301132
511303141433131032
6232524031510450
720416461512451
oct2742634676136
9640013432313
10202240130142
1178851310126
1233241988426
13160c046167b
149b07807498
1553d9e6b7cc
hex2f16737c5e

202240130142 has 32 divisors (see below), whose sum is σ = 413109164160. Its totient is φ = 65990129760.

The previous prime is 202240130021. The next prime is 202240130149. The reversal of 202240130142 is 241031042202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202240130149) 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 15 ways as a sum of consecutive naturals, for example, 1808584 + ... + 1917147.

It is an arithmetic number, because the mean of its divisors is an integer number (12909661380).

Almost surely, 2202240130142 is an apocalyptic number.

202240130142 is an abundant number, since it is smaller than the sum of its proper divisors (210869034018).

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

202240130142 is a wasteful number, since it uses less digits than its factorization.

202240130142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3725928.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 202240130142 its reverse (241031042202), we get a palindrome (443271172344).

The spelling of 202240130142 in words is "two hundred two billion, two hundred forty million, one hundred thirty thousand, one hundred forty-two".

Divisors: 1 2 3 6 83 109 166 218 249 327 498 654 9047 18094 27141 54282 3725731 7451462 11177193 22354386 309235673 406104679 618471346 812209358 927707019 1218314037 1855414038 2436628074 33706688357 67413376714 101120065071 202240130142