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107152295161 = 777731377757
BaseRepresentation
bin110001111001011000…
…1100100010011111001
3101020120121221120201111
41203302301210103321
53223421441421121
6121120341320321
710512222323662
oct1436261442371
9336517846644
10107152295161
114149674a33a
12189251060a1
13a148539162
145286d02369
152bc20d82e1
hex18f2c644f9

107152295161 has 4 divisors (see below), whose sum is σ = 107153750692. Its totient is φ = 107150839632.

The previous prime is 107152295137. The next prime is 107152295191. The reversal of 107152295161 is 161592251701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 161592251701 = 165983973547.

It can be written as a sum of positive squares in 2 ways, for example, as 42382045161 + 64770250000 = 205869^2 + 254500^2 .

It is a cyclic number.

It is not a de Polignac number, because 107152295161 - 227 = 107018077433 is a prime.

It is a super-2 number, since 2×1071522951612 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107152295191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611106 + ... + 766651.

It is an arithmetic number, because the mean of its divisors is an integer number (26788437673).

Almost surely, 2107152295161 is an apocalyptic number.

It is an amenable number.

107152295161 is a deficient number, since it is larger than the sum of its proper divisors (1455531).

107152295161 is an equidigital number, since it uses as much as digits as its factorization.

107152295161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455530.

The product of its (nonzero) digits is 37800, while the sum is 40.

The spelling of 107152295161 in words is "one hundred seven billion, one hundred fifty-two million, two hundred ninety-five thousand, one hundred sixty-one".

Divisors: 1 77773 1377757 107152295161