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153454011021 = 3218479231427
BaseRepresentation
bin1000111011101010010…
…0100110001010001101
3112200002110210110020200
42032322210212022031
510003233211323041
6154255032004113
714041506400143
oct2167244461215
9480073713220
10153454011021
115a096874813
12258a7530639
131161703626c
1475da3bb593
153ed1e551b6
hex23ba92628d

153454011021 has 12 divisors (see below), whose sum is σ = 221775826272. Its totient is φ = 102247274376.

The previous prime is 153454011013. The next prime is 153454011089. The reversal of 153454011021 is 120110454351.

153454011021 is a `hidden beast` number, since 1 + 5 + 3 + 4 + 540 + 110 + 2 + 1 = 666.

It is not a de Polignac number, because 153454011021 - 23 = 153454011013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153454013021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4599091 + ... + 4632336.

It is an arithmetic number, because the mean of its divisors is an integer number (18481318856).

Almost surely, 2153454011021 is an apocalyptic number.

It is an amenable number.

153454011021 is a deficient number, since it is larger than the sum of its proper divisors (68321815251).

153454011021 is a wasteful number, since it uses less digits than its factorization.

153454011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9233280 (or 9233277 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 153454011021 its reverse (120110454351), we get a palindrome (273564465372).

The spelling of 153454011021 in words is "one hundred fifty-three billion, four hundred fifty-four million, eleven thousand, twenty-one".

Divisors: 1 3 9 1847 5541 16623 9231427 27694281 83082843 17050445669 51151337007 153454011021