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1272642226441 = 9796713567759
BaseRepresentation
bin10010100001001111011…
…000110100100100001001
311111122220121212120010121
4102201033120310210021
5131322332402221231
62412351015343241
7160642155303535
oct22411730644411
94448817776117
101272642226441
114507a73a4a83
12186791381b21
139301826b351
144584c014bc5
152318726d311
hex1284f634909

1272642226441 has 8 divisors (see below), whose sum is σ = 1287091984640. Its totient is φ = 1258219605888.

The previous prime is 1272642226433. The next prime is 1272642226489. The reversal of 1272642226441 is 1446222462721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1272642226441 - 23 = 1272642226433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1272642226411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6690081 + ... + 6877678.

It is an arithmetic number, because the mean of its divisors is an integer number (160886498080).

Almost surely, 21272642226441 is an apocalyptic number.

It is an amenable number.

1272642226441 is a deficient number, since it is larger than the sum of its proper divisors (14449758199).

1272642226441 is an equidigital number, since it uses as much as digits as its factorization.

1272642226441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13568823.

The product of its digits is 516096, while the sum is 43.

The spelling of 1272642226441 in words is "one trillion, two hundred seventy-two billion, six hundred forty-two million, two hundred twenty-six thousand, four hundred forty-one".

Divisors: 1 97 967 93799 13567759 1316072623 13120022953 1272642226441