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202131242300 = 225213413792331
BaseRepresentation
bin1011110000111111110…
…1011111110100111100
3201022201212121000022102
42330033331133310330
511302431044223200
6232505142004232
720414000132261
oct2741775376474
9638655530272
10202131242300
11787a58a9079
1233211416678
13160a3a285b0
149ad7181268
1553d060d6d5
hex2f0ff5fd3c

202131242300 has 72 divisors (see below), whose sum is σ = 483886393872. Its totient is φ = 72812736000.

The previous prime is 202131242267. The next prime is 202131242323. The reversal of 202131242300 is 3242131202.

It is a super-2 number, since 2×2021312423002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1842866 + ... + 1949465.

Almost surely, 2202131242300 is an apocalyptic number.

202131242300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202131242300 is an abundant number, since it is smaller than the sum of its proper divisors (281755151572).

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

202131242300 is a wasteful number, since it uses less digits than its factorization.

202131242300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3792399 (or 3792392 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 202131242300 its reverse (3242131202), we get a palindrome (205373373502).

The spelling of 202131242300 in words is "two hundred two billion, one hundred thirty-one million, two hundred forty-two thousand, three hundred".

Divisors: 1 2 4 5 10 13 20 25 26 41 50 52 65 82 100 130 164 205 260 325 410 533 650 820 1025 1066 1300 2050 2132 2665 4100 5330 10660 13325 26650 53300 3792331 7584662 15169324 18961655 37923310 49300303 75846620 94808275 98600606 155485571 189616550 197201212 246501515 310971142 379233100 493003030 621942284 777427855 986006060 1232507575 1554855710 2021312423 2465015150 3109711420 3887139275 4042624846 4930030300 7774278550 8085249692 10106562115 15548557100 20213124230 40426248460 50532810575 101065621150 202131242300