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97174720141 = 335292898229
BaseRepresentation
bin101101010000000010…
…0001000111010001101
3100021211021101020212221
41122200010020322031
53043003212021031
6112350315255341
710010036330662
oct1324004107215
9307737336787
1097174720141
1138236661574
12169bb74a551
1392183a0b05
1449bbb39a69
1527db1a9a11
hex16a0108e8d

97174720141 has 4 divisors (see below), whose sum is σ = 97177651900. Its totient is φ = 97171788384.

The previous prime is 97174720129. The next prime is 97174720157. The reversal of 97174720141 is 14102747179.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14102747179 = 30893456503.

It can be written as a sum of positive squares in 2 ways, for example, as 20212308900 + 76962411241 = 142170^2 + 277421^2 .

It is a cyclic number.

It is not a de Polignac number, because 97174720141 - 217 = 97174589069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97174720241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1415586 + ... + 1482643.

It is an arithmetic number, because the mean of its divisors is an integer number (24294412975).

Almost surely, 297174720141 is an apocalyptic number.

It is an amenable number.

97174720141 is a deficient number, since it is larger than the sum of its proper divisors (2931759).

97174720141 is a wasteful number, since it uses less digits than its factorization.

97174720141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931758.

The product of its (nonzero) digits is 98784, while the sum is 43.

The spelling of 97174720141 in words is "ninety-seven billion, one hundred seventy-four million, seven hundred twenty thousand, one hundred forty-one".

Divisors: 1 33529 2898229 97174720141