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69044037001357 = 116276730636487
BaseRepresentation
bin11111011001011100100010…
…10011001010000010001101
3100001110112201122120210120211
433230232101103022002031
533022204141433020412
6402502220454442421
720354160413150035
oct1754562123120215
9301415648523524
1069044037001357
111aaaa458a05130
1278b1244363411
132c6aa94c98b22
141309a6bc128c5
157eaed9399ca7
hex3ecb914ca08d

69044037001357 has 4 divisors (see below), whose sum is σ = 75320767637856. Its totient is φ = 62767306364860.

The previous prime is 69044037001351. The next prime is 69044037001361. The reversal of 69044037001357 is 75310073044096.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 69044037001357 - 23 = 69044037001349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69044037001357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69044037001351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3138365318233 + ... + 3138365318254.

It is an arithmetic number, because the mean of its divisors is an integer number (18830191909464).

Almost surely, 269044037001357 is an apocalyptic number.

It is an amenable number.

69044037001357 is a deficient number, since it is larger than the sum of its proper divisors (6276730636499).

69044037001357 is a wasteful number, since it uses less digits than its factorization.

69044037001357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6276730636498.

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 69044037001357 in words is "sixty-nine trillion, forty-four billion, thirty-seven million, one thousand, three hundred fifty-seven".

Divisors: 1 11 6276730636487 69044037001357