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53770837069 = 436719799431
BaseRepresentation
bin110010000100111111…
…011101110001001101
312010210101022112122001
4302010333131301031
51340110313241234
640411343352301
73612330400555
oct620477356115
9163711275561
1053770837069
1120893265824
12a5078b2691
1350bc066171
142861470165
1515ea94ed14
hexc84fddc4d

53770837069 has 16 divisors (see below), whose sum is σ = 55876677120. Its totient is φ = 51704840880.

The previous prime is 53770837033. The next prime is 53770837073. The reversal of 53770837069 is 96073807735.

It is not a de Polignac number, because 53770837069 - 219 = 53770312781 is a prime.

It is a super-3 number, since 3×537708370693 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53770837019) 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, 5696784 + ... + 5706214.

It is an arithmetic number, because the mean of its divisors is an integer number (3492292320).

Almost surely, 253770837069 is an apocalyptic number.

It is an amenable number.

53770837069 is a deficient number, since it is larger than the sum of its proper divisors (2105840051).

53770837069 is a wasteful number, since it uses less digits than its factorization.

53770837069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11520.

The product of its (nonzero) digits is 6667920, while the sum is 55.

The spelling of 53770837069 in words is "fifty-three billion, seven hundred seventy million, eight hundred thirty-seven thousand, sixty-nine".

Divisors: 1 43 67 1979 2881 9431 85097 132593 405533 631877 5701499 18663949 27170711 802549807 1250484583 53770837069