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38978210041 = 192103912
BaseRepresentation
bin100100010011010010…
…000100100011111001
310201121110101020011221
4210103102010203321
51114311410210131
625523434152041
72546626214221
oct442322044371
9121543336157
1038978210041
1115592202131
127679882621
1338a2486314
141c5a9cb081
151031e4e411
hex9134848f9

38978210041 has 9 divisors (see below), whose sum is σ = 41141627013. Its totient is φ = 36923171580.

The previous prime is 38978209979. The next prime is 38978210057. The reversal of 38978210041 is 14001287983.

The square root of 38978210041 is 197429.

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

It is not a de Polignac number, because 38978210041 - 213 = 38978201849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38978210041.

It is not an unprimeable number, because it can be changed into a prime (38978210441) 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, 3745956 + ... + 3756346.

Almost surely, 238978210041 is an apocalyptic number.

38978210041 is the 197429-th square number.

38978210041 is the 98715-th centered octagonal number.

It is an amenable number.

38978210041 is a deficient number, since it is larger than the sum of its proper divisors (2163416972).

38978210041 is an frugal number, since it uses more digits than its factorization.

38978210041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20820 (or 10410 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 38978210041 in words is "thirty-eight billion, nine hundred seventy-eight million, two hundred ten thousand, forty-one".

Divisors: 1 19 361 10391 197429 3751151 107972881 2051484739 38978210041