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1264408385107 = 7601743404507
BaseRepresentation
bin10010011001100100100…
…111001101011001010011
311110212122210110002020011
4102121210213031121103
5131204002021310412
62404510003455351
7160231134641320
oct22314447153123
94425583402204
101264408385107
1144826163012a
12185073987557
139230545269a
14452aa679b47
1522d544817a7
hex126649cd653

1264408385107 has 16 divisors (see below), whose sum is σ = 1449394232832. Its totient is φ = 1080516427200.

The previous prime is 1264408385039. The next prime is 1264408385143. The reversal of 1264408385107 is 7015838044621.

It is a de Polignac number, because none of the positive numbers 2k-1264408385107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1264408385167) 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, 2923548 + ... + 3328054.

It is an arithmetic number, because the mean of its divisors is an integer number (90587139552).

Almost surely, 21264408385107 is an apocalyptic number.

1264408385107 is a deficient number, since it is larger than the sum of its proper divisors (184985847725).

1264408385107 is an equidigital number, since it uses as much as digits as its factorization.

1264408385107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405858.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 1264408385107 in words is "one trillion, two hundred sixty-four billion, four hundred eight million, three hundred eighty-five thousand, one hundred seven".

Divisors: 1 7 601 743 4207 5201 404507 446543 2831549 3125801 243108707 300548701 1701760949 2103840907 180629769301 1264408385107