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2215416531401 = 2397919837857
BaseRepresentation
bin100000001111010001000…
…111011000100111001001
321211210101012001110210222
4200033101013120213021
5242244133113001101
64413425344515425
7316026041544533
oct40172107304711
97753335043728
102215416531401
11784609970227
122b944261bb75
13130bb37ab578
1479326220853
153c964ae301b
hex203d11d89c9

2215416531401 has 8 divisors (see below), whose sum is σ = 2311975332864. Its totient is φ = 2118877425280.

The previous prime is 2215416531331. The next prime is 2215416531409. The reversal of 2215416531401 is 1041356145122.

It is a happy number.

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 2215416531401 - 214 = 2215416515017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2215416531409) 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, 4693736 + ... + 5144121.

It is an arithmetic number, because the mean of its divisors is an integer number (288996916608).

Almost surely, 22215416531401 is an apocalyptic number.

It is an amenable number.

2215416531401 is a deficient number, since it is larger than the sum of its proper divisors (96558801463).

2215416531401 is an equidigital number, since it uses as much as digits as its factorization.

2215416531401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9847671.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 2215416531401 in words is "two trillion, two hundred fifteen billion, four hundred sixteen million, five hundred thirty-one thousand, four hundred one".

Divisors: 1 23 9791 225193 9837857 226270711 96322457887 2215416531401