Search a number
-
+
307138940713 = 11247139388541
BaseRepresentation
bin1000111100000101110…
…10000100111100101001
31002100210001002210100201
410132002322010330221
520013010032100323
6353033033232201
731122121630513
oct4360272047451
91070701083321
10307138940713
11109290a1a100
124b638262661
1322c69b60997
1410c19308bb3
157ec92c08ad
hex4782e84f29

307138940713 has 24 divisors (see below), whose sum is σ = 347263297920. Its totient is φ = 271309711200.

The previous prime is 307138940681. The next prime is 307138940729. The reversal of 307138940713 is 317049831703.

It is not a de Polignac number, because 307138940713 - 25 = 307138940681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (307138940743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 596223 + ... + 984763.

It is an arithmetic number, because the mean of its divisors is an integer number (14469304080).

Almost surely, 2307138940713 is an apocalyptic number.

It is an amenable number.

307138940713 is a deficient number, since it is larger than the sum of its proper divisors (40124357207).

307138940713 is a wasteful number, since it uses less digits than its factorization.

307138940713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388749 (or 388738 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 307138940713 in words is "three hundred seven billion, one hundred thirty-eight million, nine hundred forty thousand, seven hundred thirteen".

Divisors: 1 11 47 121 139 517 1529 5687 6533 16819 71863 388541 790493 4273951 18261427 47013461 54007199 200875697 594079189 2209632667 2538338353 6534871079 27921721883 307138940713