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140223512254 = 2729578359723
BaseRepresentation
bin1000001010010111111…
…0001111111010111110
3111101221102021110220211
42002211332033322332
54244134204343004
6144230124303034
713062604121350
oct2024576177276
9441842243824
10140223512254
1154517576211
12232146a1a7a
13102b8c8c277
146b031b10d0
1539aa672504
hex20a5f8febe

140223512254 has 32 divisors (see below), whose sum is σ = 248719403520. Its totient is φ = 58012517472.

The previous prime is 140223512237. The next prime is 140223512279. The reversal of 140223512254 is 452215322041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 2318037 + ... + 2377759.

It is an arithmetic number, because the mean of its divisors is an integer number (7772481360).

Almost surely, 2140223512254 is an apocalyptic number.

140223512254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

140223512254 is a deficient number, since it is larger than the sum of its proper divisors (108495891266).

140223512254 is a wasteful number, since it uses less digits than its factorization.

140223512254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65544.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 140223512254 its reverse (452215322041), we get a palindrome (592438834295).

The spelling of 140223512254 in words is "one hundred forty billion, two hundred twenty-three million, five hundred twelve thousand, two hundred fifty-four".

Divisors: 1 2 7 14 29 58 203 406 5783 11566 40481 59723 80962 119446 167707 335414 418061 836122 1173949 1731967 2347898 3463934 12123769 24247538 345378109 690756218 2417646763 4835293526 10015965161 20031930322 70111756127 140223512254