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921290027513441 = 7121161497231661
BaseRepresentation
bin1101000101111010001000110…
…0110100110011011001100001
311110211000110121001122220200012
43101132202030310303121201
51431223403434020412231
613023230443521334305
7365025002505032645
oct32136421464633141
94424013531586605
10921290027513441
112476079a7605963
12873b421a197395
133070b37a216681
1412370964c6ac25
157179d04061e2b
hex345e88cd33661

921290027513441 has 8 divisors (see below), whose sum is σ = 938693744088768. Its totient is φ = 904009305402000.

The previous prime is 921290027513437. The next prime is 921290027513447. The reversal of 921290027513441 is 144315720092129.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 921290027513441 - 22 = 921290027513437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 921290027513441.

It is not an unprimeable number, because it can be changed into a prime (921290027513447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30748600850 + ... + 30748630811.

It is an arithmetic number, because the mean of its divisors is an integer number (117336718011096).

Almost surely, 2921290027513441 is an apocalyptic number.

It is an amenable number.

921290027513441 is a deficient number, since it is larger than the sum of its proper divisors (17403716575327).

921290027513441 is a wasteful number, since it uses less digits than its factorization.

921290027513441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61497231943.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 921290027513441 in words is "nine hundred twenty-one trillion, two hundred ninety billion, twenty-seven million, five hundred thirteen thousand, four hundred forty-one".

Divisors: 1 71 211 14981 61497231661 4366303447931 12975915880471 921290027513441