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2153105545145 = 51992163925171
BaseRepresentation
bin11111010101001111000…
…101110101011110111001
321121211112121221101220012
4133111033011311132321
5240234030004421040
64325042324111305
7311361651110552
oct37251705653671
97554477841805
102153105545145
11760143a48a75
122a9352835535
131280633307b9
14762d487d329
153b01954d865
hex1f54f1757b9

2153105545145 has 8 divisors (see below), whose sum is σ = 2596710206400. Its totient is φ = 1713828734640.

The previous prime is 2153105545141. The next prime is 2153105545163. The reversal of 2153105545145 is 5415455013512.

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

It is not a de Polignac number, because 2153105545145 - 22 = 2153105545141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2153105545141) 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, 1081961591 + ... + 1081963580.

It is an arithmetic number, because the mean of its divisors is an integer number (324588775800).

Almost surely, 22153105545145 is an apocalyptic number.

It is an amenable number.

2153105545145 is a deficient number, since it is larger than the sum of its proper divisors (443604661255).

2153105545145 is a wasteful number, since it uses less digits than its factorization.

2153105545145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163925375.

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 2153105545145 in words is "two trillion, one hundred fifty-three billion, one hundred five million, five hundred forty-five thousand, one hundred forty-five".

Divisors: 1 5 199 995 2163925171 10819625855 430621109029 2153105545145