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69257020244 = 2217314255061
BaseRepresentation
bin100000010000000001…
…0100100001101010100
320121202122022011020212
41000200002210031110
52113314244121434
651452150144552
75001152646626
oct1004002441524
9217678264225
1069257020244
112740a867415
121150a052158
1366b953a369
1434d0090c16
151c0529d8ce
hex10200a4354

69257020244 has 6 divisors (see below), whose sum is σ = 121199785434. Its totient is φ = 34628510120.

The previous prime is 69257020127. The next prime is 69257020247. The reversal of 69257020244 is 44202075296.

It can be written as a sum of positive squares in only one way, i.e., 59976010000 + 9281010244 = 244900^2 + 96338^2 .

It is a super-3 number, since 3×692570202443 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69257020247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8657127527 + ... + 8657127534.

It is an arithmetic number, because the mean of its divisors is an integer number (20199964239).

Almost surely, 269257020244 is an apocalyptic number.

It is an amenable number.

69257020244 is a deficient number, since it is larger than the sum of its proper divisors (51942765190).

69257020244 is a wasteful number, since it uses less digits than its factorization.

69257020244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17314255065 (or 17314255063 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 69257020244 in words is "sixty-nine billion, two hundred fifty-seven million, twenty thousand, two hundred forty-four".

Divisors: 1 2 4 17314255061 34628510122 69257020244