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113724747361 = 192177492
BaseRepresentation
bin110100111101010000…
…1011110111001100001
3101212112200011202012001
41221322201132321201
53330402013403421
6124124444004001
711134130255131
oct1517241367141
9355480152161
10113724747361
1144259722a15
121a05a230601
13a9550a6a24
14570bb66ac1
152e590eb691
hex1a7a85ee61

113724747361 has 9 divisors (see below), whose sum is σ = 120032050131. Its totient is φ = 107733164184.

The previous prime is 113724747343. The next prime is 113724747371. The reversal of 113724747361 is 163747427311.

The square root of 113724747361 is 337231.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6677994961 + 107046752400 = 81719^2 + 327180^2 .

It is not a de Polignac number, because 113724747361 - 27 = 113724747233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113724747341) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6398515 + ... + 6416263.

It is an arithmetic number, because the mean of its divisors is an integer number (13336894459).

Almost surely, 2113724747361 is an apocalyptic number.

113724747361 is the 337231-st square number.

113724747361 is the 168616-th centered octagonal number.

It is an amenable number.

113724747361 is a deficient number, since it is larger than the sum of its proper divisors (6307302770).

113724747361 is an frugal number, since it uses more digits than its factorization.

113724747361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35536 (or 17768 counting only the distinct ones).

The product of its digits is 592704, while the sum is 46.

The spelling of 113724747361 in words is "one hundred thirteen billion, seven hundred twenty-four million, seven hundred forty-seven thousand, three hundred sixty-one".

Divisors: 1 19 361 17749 337231 6407389 315027001 5985513019 113724747361