Search a number
-
+
28927917751794 = 2316753875359231
BaseRepresentation
bin1101001001111010011100…
…10000101111110111110010
310210102111000022210201120120
412210331032100233313302
512242423333421024134
6141305145115551110
76043654524550065
oct644751620576762
9123374008721516
1028927917751794
119243296470206
1232b251115b496
13131ab77515249
147201939828dc
15352735244649
hex1a4f4e42fdf2

28927917751794 has 32 divisors (see below), whose sum is σ = 58213092704256. Its totient is φ = 9583117842960.

The previous prime is 28927917751793. The next prime is 28927917751819. The reversal of 28927917751794 is 49715771972982.

It is not an unprimeable number, because it can be changed into a prime (28927917751793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2718159 + ... + 8077389.

It is an arithmetic number, because the mean of its divisors is an integer number (1819159147008).

Almost surely, 228927917751794 is an apocalyptic number.

28927917751794 is an abundant number, since it is smaller than the sum of its proper divisors (29285174952462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28927917751794 is a wasteful number, since it uses less digits than its factorization.

28927917751794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5364790.

The product of its digits is 1120210560, while the sum is 78.

The spelling of 28927917751794 in words is "twenty-eight trillion, nine hundred twenty-seven billion, nine hundred seventeen million, seven hundred fifty-one thousand, seven hundred ninety-four".

Divisors: 1 2 3 6 167 334 501 1002 5387 10774 16161 32322 899629 1799258 2698887 5359231 5397774 10718462 16077693 32155386 894991577 1789983154 2684974731 5369949462 28870177397 57740354794 86610532191 173221064382 4821319625299 9642639250598 14463958875897 28927917751794