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202144023230 = 25413217153259
BaseRepresentation
bin1011110001000010111…
…0010000001010111110
3201022202202122100110012
42330100232100022332
511302442332220410
6232510315543222
720414213563412
oct2742056201276
9638682570405
10202144023230
1178802038626
123321575ab12
13160a6581b86
149ad8b4ad42
1553d17d5605
hex2f10b902be

202144023230 has 32 divisors (see below), whose sum is σ = 372852154080. Its totient is φ = 78860436480.

The previous prime is 202144023217. The next prime is 202144023239. The reversal of 202144023230 is 32320441202.

It is a super-2 number, since 2×2021440232302 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202144023196 and 202144023205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202144023239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1242341 + ... + 1395599.

It is an arithmetic number, because the mean of its divisors is an integer number (11651629815).

Almost surely, 2202144023230 is an apocalyptic number.

202144023230 is a deficient number, since it is larger than the sum of its proper divisors (170708130850).

202144023230 is a wasteful number, since it uses less digits than its factorization.

202144023230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156524.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 202144023230 its reverse (32320441202), we get a palindrome (234464464432).

The spelling of 202144023230 in words is "two hundred two billion, one hundred forty-four million, twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 41 82 205 410 3217 6434 16085 32170 131897 153259 263794 306518 659485 766295 1318970 1532590 6283619 12567238 31418095 62836190 493034203 986068406 2465171015 4930342030 20214402323 40428804646 101072011615 202144023230