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2153041221242 = 24722904693843
BaseRepresentation
bin11111010101001011010…
…000011101011001111010
321121211101010220102002102
4133111023100131121322
5240233412023034432
64325032105303402
7311360240264402
oct37251320353172
97554333812072
102153041221242
1176011070451a
122a9335194b62
13128052bcb712
14762ca0d7802
153b013a94962
hex1f54b41d67a

2153041221242 has 8 divisors (see below), whose sum is σ = 3298275913536. Its totient is φ = 1053615916732.

The previous prime is 2153041221223. The next prime is 2153041221283. The reversal of 2153041221242 is 2421221403512.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11452346828 + ... + 11452347015.

It is an arithmetic number, because the mean of its divisors is an integer number (412284489192).

Almost surely, 22153041221242 is an apocalyptic number.

2153041221242 is a deficient number, since it is larger than the sum of its proper divisors (1145234692294).

2153041221242 is a wasteful number, since it uses less digits than its factorization.

2153041221242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22904693892.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 2153041221242 its reverse (2421221403512), we get a palindrome (4574262624754).

The spelling of 2153041221242 in words is "two trillion, one hundred fifty-three billion, forty-one million, two hundred twenty-one thousand, two hundred forty-two".

Divisors: 1 2 47 94 22904693843 45809387686 1076520610621 2153041221242