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152181892045 = 597313777097
BaseRepresentation
bin1000110110111010111…
…1110110001111001101
3112112210211002010002001
42031232233312033031
54443132031021140
6153524510032301
713665131511361
oct2155657661715
9475724063061
10152181892045
11595a378aa17
12255b14a8691
1311473610941
1475194772a1
153e5a420e9a
hex236ebf63cd

152181892045 has 8 divisors (see below), whose sum is σ = 184500933624. Its totient is φ = 120490404864.

The previous prime is 152181892013. The next prime is 152181892117. The reversal of 152181892045 is 540298181251.

It can be written as a sum of positive squares in 4 ways, for example, as 22744560969 + 129437331076 = 150813^2 + 359774^2 .

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 152181892045 - 25 = 152181892013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152181891986 and 152181892004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156888064 + ... + 156889033.

It is an arithmetic number, because the mean of its divisors is an integer number (23062616703).

Almost surely, 2152181892045 is an apocalyptic number.

It is an amenable number.

152181892045 is a deficient number, since it is larger than the sum of its proper divisors (32319041579).

152181892045 is an equidigital number, since it uses as much as digits as its factorization.

152181892045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313777199.

The product of its (nonzero) digits is 230400, while the sum is 46.

The spelling of 152181892045 in words is "one hundred fifty-two billion, one hundred eighty-one million, eight hundred ninety-two thousand, forty-five".

Divisors: 1 5 97 485 313777097 1568885485 30436378409 152181892045