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90021413022001 = 894942920463221
BaseRepresentation
bin10100011101111110111110…
…010110000110100100110001
3102210201222000001110111111021
4110131332332112012210301
543244402323213201001
6515243133301015441
724650555351251336
oct2435767626064461
9383658001414437
1090021413022001
112675795988555a
12a11a9050b4581
133b2cca1353056
1418330b990a98d
15a619e46b0ba1
hex51dfbe586931

90021413022001 has 8 divisors (see below), whose sum is σ = 91034735711400. Its totient is φ = 89008131358080.

The previous prime is 90021413021989. The next prime is 90021413022019. The reversal of 90021413022001 is 10022031412009.

It can be written as a sum of positive squares in 4 ways, for example, as 29744807054400 + 60276605967601 = 5453880^2 + 7763801^2 .

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 90021413022001 - 211 = 90021413019953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90021413022031) 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, 5832430 + ... + 14630791.

It is an arithmetic number, because the mean of its divisors is an integer number (11379341963925).

Almost surely, 290021413022001 is an apocalyptic number.

It is an amenable number.

90021413022001 is a deficient number, since it is larger than the sum of its proper divisors (1013322689399).

90021413022001 is a wasteful number, since it uses less digits than its factorization.

90021413022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20512739.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 90021413022001 in words is "ninety trillion, twenty-one billion, four hundred thirteen million, twenty-two thousand, one".

Divisors: 1 89 49429 4399181 20463221 1821226669 1011476550809 90021413022001