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231202112030 = 25106921627887
BaseRepresentation
bin1101011101010010111…
…0000100001000011110
3211002202212120012120022
43113110232010020132
512242000220041110
6254113543352142
722463255345441
oct3272456041036
9732685505508
10231202112030
118a06362384a
1238985152652
1318a57767b66
14b294049658
1560328a4755
hex35d4b8421e

231202112030 has 16 divisors (see below), whose sum is σ = 416553122880. Its totient is φ = 92394328992.

The previous prime is 231202112003. The next prime is 231202112039. The reversal of 231202112030 is 30211202132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231202112039) 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, 10803254 + ... + 10824633.

It is an arithmetic number, because the mean of its divisors is an integer number (26034570180).

Almost surely, 2231202112030 is an apocalyptic number.

231202112030 is a deficient number, since it is larger than the sum of its proper divisors (185351010850).

231202112030 is a wasteful number, since it uses less digits than its factorization.

231202112030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21628963.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 231202112030 its reverse (30211202132), we get a palindrome (261413314162).

The spelling of 231202112030 in words is "two hundred thirty-one billion, two hundred two million, one hundred twelve thousand, thirty".

Divisors: 1 2 5 10 1069 2138 5345 10690 21627887 43255774 108139435 216278870 23120211203 46240422406 115601056015 231202112030