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8440405070001 = 311366919372061
BaseRepresentation
bin111101011010010111101…
…0110001001000010110001
31002212220011100012222221020
41322310233112021002301
52101241422144220001
625541245113050053
71530541051230162
oct172645726110261
932786140188836
108440405070001
112764612691773
12b439826b6929
13492c081acc38
14212736b33769
15e984abab736
hex7ad2f5890b1

8440405070001 has 16 divisors (see below), whose sum is σ = 11353665402240. Its totient is φ = 5577042481920.

The previous prime is 8440405069963. The next prime is 8440405070033. The reversal of 8440405070001 is 1000705040448.

It is not a de Polignac number, because 8440405070001 - 221 = 8440402972849 is a prime.

It is a super-4 number, since 4×84404050700014 (a number of 53 digits) contains 4444 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8440405070501) 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, 22499511 + ... + 22871571.

It is an arithmetic number, because the mean of its divisors is an integer number (709604087640).

Almost surely, 28440405070001 is an apocalyptic number.

It is an amenable number.

8440405070001 is a deficient number, since it is larger than the sum of its proper divisors (2913260332239).

8440405070001 is a wasteful number, since it uses less digits than its factorization.

8440405070001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439096.

The product of its (nonzero) digits is 17920, while the sum is 33.

The spelling of 8440405070001 in words is "eight trillion, four hundred forty billion, four hundred five million, seventy thousand, one".

Divisors: 1 3 113 339 66919 200757 372061 1116183 7561847 22685541 42042893 126128679 24897950059 74693850177 2813468356667 8440405070001