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138233122812807 = 31154145971684327
BaseRepresentation
bin11111011011100011101000…
…001011100111001110000111
3200010102221212000002121100020
4133123203220023213032013
5121104302413420002212
61205555230412550223
741055004435014261
oct3733435013471607
9603387760077306
10138233122812807
114005537a109120
1213606609182373
135c19434815119
14261c7399bcb31
1510eab6280ed8c
hex7db8e82e7387

138233122812807 has 32 divisors (see below), whose sum is σ = 201481956386304. Its totient is φ = 83604552796800.

The previous prime is 138233122812781. The next prime is 138233122812809. The reversal of 138233122812807 is 708218221332831.

It is not a de Polignac number, because 138233122812807 - 27 = 138233122812679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 138233122812807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138233122812809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81228078 + ... + 82912404.

It is an arithmetic number, because the mean of its divisors is an integer number (6296311137072).

Almost surely, 2138233122812807 is an apocalyptic number.

138233122812807 is a deficient number, since it is larger than the sum of its proper divisors (63248833573497).

138233122812807 is a wasteful number, since it uses less digits than its factorization.

138233122812807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689479.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 138233122812807 in words is "one hundred thirty-eight trillion, two hundred thirty-three billion, one hundred twenty-two million, eight hundred twelve thousand, eight hundred seven".

Divisors: 1 3 11 33 541 1623 4597 5951 13791 17853 50567 151701 1684327 2486977 5052981 7460931 18527597 27356747 55582791 82070241 911220907 2733662721 7742851219 10023429977 23228553657 30070289931 85171363409 255514090227 4188882509479 12566647528437 46077707604269 138233122812807