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6440102235366 = 2310657100717873
BaseRepresentation
bin101110110110111010000…
…0000011000110011100110
3211210200000210112112221120
41131231310000120303212
51321003312133012431
621410313033154410
71233165510535242
oct135556400306346
924720023475846
106440102235366
112063260900828
1288017525ba06
133793b6c97797
141839b9d73422
15b27c6310196
hex5db74018ce6

6440102235366 has 16 divisors (see below), whose sum is σ = 12881413213104. Its totient is φ = 2146499288064.

The previous prime is 6440102235323. The next prime is 6440102235373. The reversal of 6440102235366 is 6635322010446.

It is a happy number.

It is a super-2 number, since 2×64401022353662 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50294995 + ... + 50422878.

It is an arithmetic number, because the mean of its divisors is an integer number (805088325819).

Almost surely, 26440102235366 is an apocalyptic number.

6440102235366 is an abundant number, since it is smaller than the sum of its proper divisors (6441310977738).

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

6440102235366 is a wasteful number, since it uses less digits than its factorization.

6440102235366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100728535.

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 6440102235366 in words is "six trillion, four hundred forty billion, one hundred two million, two hundred thirty-five thousand, three hundred sixty-six".

Divisors: 1 2 3 6 10657 21314 31971 63942 100717873 201435746 302153619 604307238 1073350372561 2146700745122 3220051117683 6440102235366