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80755440267398 = 21318444716839409
BaseRepresentation
bin10010010111001001010111…
…010101001011000010000110
3101120221010220110222210212212
4102113021113111023002012
541041044120202024043
6443430312003143422
723003250043336451
oct2227112725130206
9346833813883785
1080755440267398
112380520a817246
129082b41674b72
13360a28919a4c0
1415d2826d34498
1595097aca7018
hex49725754b086

80755440267398 has 16 divisors (see below), whose sum is σ = 130451810818560. Its totient is φ = 37271537375616.

The previous prime is 80755440267367. The next prime is 80755440267457. The reversal of 80755440267398 is 89376204455708.

It is a super-2 number, since 2×807554402673982 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3624083 + ... + 13215326.

It is an arithmetic number, because the mean of its divisors is an integer number (8153238176160).

Almost surely, 280755440267398 is an apocalyptic number.

80755440267398 is a deficient number, since it is larger than the sum of its proper divisors (49696370551162).

80755440267398 is a wasteful number, since it uses less digits than its factorization.

80755440267398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17023871.

The product of its (nonzero) digits is 406425600, while the sum is 68.

The spelling of 80755440267398 in words is "eighty trillion, seven hundred fifty-five billion, four hundred forty million, two hundred sixty-seven thousand, three hundred ninety-eight".

Divisors: 1 2 13 26 184447 368894 2397811 4795622 16839409 33678818 218912317 437824634 3105978471823 6211956943646 40377720133699 80755440267398