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10812439441 = 374757110889
BaseRepresentation
bin10100001000111100…
…01011101110010001
31000220112111211112001
422010132023232101
5134120441030231
64544524034001
7531641135026
oct120436135621
930815454461
1010812439441
114649381871
122119092901
13103410737b
1474800954d
15434390b61
hex28478bb91

10812439441 has 16 divisors (see below), whose sum is σ = 11361841920. Its totient is φ = 10277400960.

The previous prime is 10812439411. The next prime is 10812439453. The reversal of 10812439441 is 14493421801.

It is a cyclic number.

It is not a de Polignac number, because 10812439441 - 213 = 10812431249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10812439441.

It is not an unprimeable number, because it can be changed into a prime (10812439411) 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, 987525 + ... + 998413.

It is an arithmetic number, because the mean of its divisors is an integer number (710115120).

Almost surely, 210812439441 is an apocalyptic number.

It is an amenable number.

10812439441 is a deficient number, since it is larger than the sum of its proper divisors (549402479).

10812439441 is a wasteful number, since it uses less digits than its factorization.

10812439441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11544.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 10812439441 in words is "ten billion, eight hundred twelve million, four hundred thirty-nine thousand, four hundred forty-one".

Divisors: 1 37 47 571 1739 10889 21127 26837 402893 511783 992969 6217619 18935971 230051903 292228093 10812439441